diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4e1307a..d2ea2cf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ concurrency:
 env:
   # Min and max limits of jupyterlite-core versions that this should work on.
   # Changes here should be synchronised with pyproject.toml dependencies section.
-  MIN_LITE_VERSION: jupyterlite-core==0.6.0
+  MIN_LITE_VERSION: jupyterlite-core==0.7.0a7
   MAX_LITE_VERSION: --pre jupyterlite-core<0.8.0
 
   LAB_VERSION: jupyterlab>=4.0.0,<5
diff --git a/deploy/cockle-config-in.json b/deploy/cockle-config-in.json
index 5662098..d2cd482 100644
--- a/deploy/cockle-config-in.json
+++ b/deploy/cockle-config-in.json
@@ -1,11 +1,20 @@
 {
   "packages": {
+    "git2cpp": {},
     "lua": {},
     "nano": {},
     "tree": {},
     "vim": {}
   },
   "aliases": {
+    "git": "git2cpp",
     "vi": "vim"
+  },
+  "environment": {
+    "GIT_CORS_PROXY": "https://corsproxy.io/?url=",
+    "GIT_AUTHOR_NAME": "Jane Doe",
+    "GIT_AUTHOR_EMAIL": "jane.doe@blabla.com",
+    "GIT_COMMITTER_NAME": "Jane Doe",
+    "GIT_COMMITTER_EMAIL": "jane.doe@blabla.com"
   }
 }
diff --git a/package.json b/package.json
index e537fb9..5bee593 100644
--- a/package.json
+++ b/package.json
@@ -64,8 +64,8 @@
         "@jupyterlab/services": "^7.4.3",
         "@jupyterlab/settingregistry": "^4.4.3",
         "@jupyterlite/cockle": "^1.2.0",
-        "@jupyterlite/contents": "^0.6.0",
-        "@jupyterlite/server": "^0.6.0",
+        "@jupyterlite/contents": "^0.7.0-a7",
+        "@jupyterlite/server": "^0.7.0-a7",
         "@lumino/coreutils": "^2.2.1",
         "@lumino/signaling": "^2.1.4",
         "mock-socket": "^9.3.1"
diff --git a/pyproject.toml b/pyproject.toml
index 85489bd..90bf58d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ classifiers = [
 ]
 dependencies = [
     # Changes here should be synchronised with .github/workflows/build.yml
-    "jupyterlite-core>=0.6,<0.8.0"
+    "jupyterlite-core>=0.7.0a7,<0.8.0"
 ]
 dynamic = ["version", "description", "authors", "urls", "keywords"]
 
diff --git a/yarn.lock b/yarn.lock
index b74eae7..d815010 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2251,7 +2251,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyterlab/coreutils@npm:^6.4.3, @jupyterlab/coreutils@npm:^6.4.9, @jupyterlab/coreutils@npm:~6.4.5":
+"@jupyterlab/coreutils@npm:^6.4.3, @jupyterlab/coreutils@npm:^6.4.9":
   version: 6.4.9
   resolution: "@jupyterlab/coreutils@npm:6.4.9"
   dependencies:
@@ -2265,6 +2265,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@jupyterlab/coreutils@npm:^6.5.0-beta.0, @jupyterlab/coreutils@npm:~6.5.0-beta.0":
+  version: 6.5.0-beta.0
+  resolution: "@jupyterlab/coreutils@npm:6.5.0-beta.0"
+  dependencies:
+    "@lumino/coreutils": ^2.2.1
+    "@lumino/disposable": ^2.1.4
+    "@lumino/signaling": ^2.1.4
+    minimist: ~1.2.0
+    path-browserify: ^1.0.0
+    url-parse: ~1.5.4
+  checksum: 96189ec5824a2cbd9ba70324866ae3fb3f54d432593b21404b686fb3130108b3aa30609f1ce3dbec46344547a5f3efdd6713235ed5bc044891c7c4038c527443
+  languageName: node
+  linkType: hard
+
 "@jupyterlab/docmanager@npm:^4.4.9":
   version: 4.4.9
   resolution: "@jupyterlab/docmanager@npm:4.4.9"
@@ -2387,7 +2401,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyterlab/nbformat@npm:^3.0.0 || ^4.0.0-alpha.21 || ^4.0.0, @jupyterlab/nbformat@npm:^4.4.9, @jupyterlab/nbformat@npm:~4.4.5":
+"@jupyterlab/nbformat@npm:^3.0.0 || ^4.0.0-alpha.21 || ^4.0.0, @jupyterlab/nbformat@npm:^4.4.9":
   version: 4.4.9
   resolution: "@jupyterlab/nbformat@npm:4.4.9"
   dependencies:
@@ -2396,6 +2410,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@jupyterlab/nbformat@npm:^4.5.0-beta.0, @jupyterlab/nbformat@npm:~4.5.0-beta.0":
+  version: 4.5.0-beta.0
+  resolution: "@jupyterlab/nbformat@npm:4.5.0-beta.0"
+  dependencies:
+    "@lumino/coreutils": ^2.2.1
+  checksum: 812fb2e784be028f6f8bd6913d73877faa71e95fd1ec8a37b182238a34a0044de7d4699beb79df0e13a7bda9b443af2bf8917b89bbf523a1f3b418eef07d8c87
+  languageName: node
+  linkType: hard
+
 "@jupyterlab/notebook@npm:^4.4.9":
   version: 4.4.9
   resolution: "@jupyterlab/notebook@npm:4.4.9"
@@ -2434,7 +2457,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyterlab/observables@npm:^5.4.9, @jupyterlab/observables@npm:~5.4.5":
+"@jupyterlab/observables@npm:^5.4.9":
   version: 5.4.9
   resolution: "@jupyterlab/observables@npm:5.4.9"
   dependencies:
@@ -2447,6 +2470,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@jupyterlab/observables@npm:~5.5.0-beta.0":
+  version: 5.5.0-beta.0
+  resolution: "@jupyterlab/observables@npm:5.5.0-beta.0"
+  dependencies:
+    "@lumino/algorithm": ^2.0.3
+    "@lumino/coreutils": ^2.2.1
+    "@lumino/disposable": ^2.1.4
+    "@lumino/messaging": ^2.0.3
+    "@lumino/signaling": ^2.1.4
+  checksum: 81a93251940b8e8babea2461e68005d6faef399140758e6fb0a8a6b9fb58a08392fc7e9ab960e815669f88c19badd72a045f0f02f912b699b0f95081dd53ff1a
+  languageName: node
+  linkType: hard
+
 "@jupyterlab/outputarea@npm:^4.4.9":
   version: 4.4.9
   resolution: "@jupyterlab/outputarea@npm:4.4.9"
@@ -2499,7 +2535,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyterlab/services@npm:^7.4.3, @jupyterlab/services@npm:^7.4.9, @jupyterlab/services@npm:~7.4.5":
+"@jupyterlab/services@npm:^7.4.3, @jupyterlab/services@npm:^7.4.9":
   version: 7.4.9
   resolution: "@jupyterlab/services@npm:7.4.9"
   dependencies:
@@ -2518,7 +2554,26 @@ __metadata:
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   linkType: hard
 
-"@jupyterlab/settingregistry@npm:^4.4.3, @jupyterlab/settingregistry@npm:^4.4.9, @jupyterlab/settingregistry@npm:~4.4.5":
+"@jupyterlab/services@npm:~7.5.0-beta.0":
+  version: 7.5.0-beta.0
+  resolution: "@jupyterlab/services@npm:7.5.0-beta.0"
+  dependencies:
+    "@jupyter/ydoc": ^3.1.0
+    "@jupyterlab/coreutils": ^6.5.0-beta.0
+    "@jupyterlab/nbformat": ^4.5.0-beta.0
+    "@jupyterlab/settingregistry": ^4.5.0-beta.0
+    "@jupyterlab/statedb": ^4.5.0-beta.0
+    "@lumino/coreutils": ^2.2.1
+    "@lumino/disposable": ^2.1.4
+    "@lumino/polling": ^2.1.4
+    "@lumino/properties": ^2.0.3
+    "@lumino/signaling": ^2.1.4
+    ws: ^8.11.0
+  checksum: b70f19cc4728fcbdefa5d0055ebc29b8e9fac13140bbe1491b7c14d9dddac22b4c81b4434a16cff2021f4e7d076cf35ef319912f102785311151ae2dfd033400
+  languageName: node
+  linkType: hard
+
+"@jupyterlab/settingregistry@npm:^4.4.3, @jupyterlab/settingregistry@npm:^4.4.9":
   version: 4.4.9
   resolution: "@jupyterlab/settingregistry@npm:4.4.9"
   dependencies:
@@ -2537,7 +2592,26 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyterlab/statedb@npm:^4.4.9, @jupyterlab/statedb@npm:~4.4.5":
+"@jupyterlab/settingregistry@npm:^4.5.0-beta.0, @jupyterlab/settingregistry@npm:~4.5.0-beta.0":
+  version: 4.5.0-beta.0
+  resolution: "@jupyterlab/settingregistry@npm:4.5.0-beta.0"
+  dependencies:
+    "@jupyterlab/nbformat": ^4.5.0-beta.0
+    "@jupyterlab/statedb": ^4.5.0-beta.0
+    "@lumino/commands": ^2.3.2
+    "@lumino/coreutils": ^2.2.1
+    "@lumino/disposable": ^2.1.4
+    "@lumino/signaling": ^2.1.4
+    "@rjsf/utils": ^5.13.4
+    ajv: ^8.12.0
+    json5: ^2.2.3
+  peerDependencies:
+    react: ">=16"
+  checksum: 36d5a13cef8b10836654778d09b4722d11e1c9a5f1a622559284b9258942f3e0a1fbf65e85d88d2bbdc0322984fe968ec790d2e15b1a1369a23aa91229bd99b6
+  languageName: node
+  linkType: hard
+
+"@jupyterlab/statedb@npm:^4.4.9":
   version: 4.4.9
   resolution: "@jupyterlab/statedb@npm:4.4.9"
   dependencies:
@@ -2550,6 +2624,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@jupyterlab/statedb@npm:^4.5.0-beta.0, @jupyterlab/statedb@npm:~4.5.0-beta.0":
+  version: 4.5.0-beta.0
+  resolution: "@jupyterlab/statedb@npm:4.5.0-beta.0"
+  dependencies:
+    "@lumino/commands": ^2.3.2
+    "@lumino/coreutils": ^2.2.1
+    "@lumino/disposable": ^2.1.4
+    "@lumino/properties": ^2.0.3
+    "@lumino/signaling": ^2.1.4
+  checksum: 391227e8eb004395443e50c6fa64daabf6de5251071ec78cba102e0e0254a63b7167e93266c6f7fe9c8e63c3c1683eec2a5fe311dd10dc4d4276bda66296cac8
+  languageName: node
+  linkType: hard
+
 "@jupyterlab/statusbar@npm:^4.4.9":
   version: 4.4.9
   resolution: "@jupyterlab/statusbar@npm:4.4.9"
@@ -2684,97 +2771,97 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jupyterlite/contents@npm:^0.6.0, @jupyterlite/contents@npm:^0.6.4":
-  version: 0.6.4
-  resolution: "@jupyterlite/contents@npm:0.6.4"
+"@jupyterlite/contents@npm:^0.7.0-a7, @jupyterlite/contents@npm:^0.7.0-alpha.7":
+  version: 0.7.0-alpha.7
+  resolution: "@jupyterlite/contents@npm:0.7.0-alpha.7"
   dependencies:
-    "@jupyterlab/nbformat": ~4.4.5
-    "@jupyterlab/services": ~7.4.5
-    "@jupyterlite/localforage": ^0.6.4
+    "@jupyterlab/nbformat": ~4.5.0-beta.0
+    "@jupyterlab/services": ~7.5.0-beta.0
+    "@jupyterlite/localforage": ^0.7.0-alpha.7
     "@lumino/coreutils": ^2.2.1
     "@types/emscripten": ^1.39.6
     localforage: ^1.9.0
     mime: ^3.0.0
-  checksum: c4fd8c8ac5763023b49f64bae0df9cd028bd26ddc12b35c2022bff50c0a48586428bfe6809c092b711fb2d9312c7a51c091f3125dbdfe30ba678feb32063180c
+  checksum: bd3b7f1009f4a4b0ad32027c99d8b7cad9cf40a0d67efcb3d7903e0507a97ceaa68603d42d4efdd3186656ef2300bd1c4e2ad944387831a1bb62aebbd62e7b58
   languageName: node
   linkType: hard
 
-"@jupyterlite/kernel@npm:^0.6.4":
-  version: 0.6.4
-  resolution: "@jupyterlite/kernel@npm:0.6.4"
+"@jupyterlite/kernel@npm:^0.7.0-alpha.7":
+  version: 0.7.0-alpha.7
+  resolution: "@jupyterlite/kernel@npm:0.7.0-alpha.7"
   dependencies:
-    "@jupyterlab/coreutils": ~6.4.5
-    "@jupyterlab/observables": ~5.4.5
-    "@jupyterlab/services": ~7.4.5
+    "@jupyterlab/coreutils": ~6.5.0-beta.0
+    "@jupyterlab/observables": ~5.5.0-beta.0
+    "@jupyterlab/services": ~7.5.0-beta.0
     "@lumino/coreutils": ^2.2.1
     "@lumino/disposable": ^2.1.4
     "@lumino/signaling": ^2.1.4
     async-mutex: ^0.3.1
     comlink: ^4.3.1
     mock-socket: ^9.3.1
-  checksum: ca04de42582c72ff0b00d05c8613930019c059d0a7b37d755f04e6fb623c31a61040bb4e0f2d817fa22cb5f8db9b61407f560b71025f41e6470897c12360a7c8
+  checksum: 384129dbb44dea297cc9dcdea316d2d3f37d815645b38371584b34d0b6168ff4cf1369fa6a051f2b688763a989e54eb5c41a6804dd740afe8769e109db709c5a
   languageName: node
   linkType: hard
 
-"@jupyterlite/localforage@npm:^0.6.4":
-  version: 0.6.4
-  resolution: "@jupyterlite/localforage@npm:0.6.4"
+"@jupyterlite/localforage@npm:^0.7.0-alpha.7":
+  version: 0.7.0-alpha.7
+  resolution: "@jupyterlite/localforage@npm:0.7.0-alpha.7"
   dependencies:
-    "@jupyterlab/coreutils": ~6.4.5
+    "@jupyterlab/coreutils": ~6.5.0-beta.0
     "@lumino/coreutils": ^2.2.1
     localforage: ^1.9.0
     localforage-memoryStorageDriver: ^0.9.2
-  checksum: 3d81ebae1e1de2018e82f0aa1cbaffd3f7d57c4e09e46736da56bbd45a1900a13edf4d990693a39fc255a5c066839347386a0d54aaae526b22a399444efd85eb
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-"@jupyterlite/server@npm:^0.6.0":
-  version: 0.6.4
-  resolution: "@jupyterlite/server@npm:0.6.4"
+"@jupyterlite/server@npm:^0.7.0-a7":
+  version: 0.7.0-alpha.7
+  resolution: "@jupyterlite/server@npm:0.7.0-alpha.7"
   dependencies:
-    "@jupyterlab/coreutils": ~6.4.5
-    "@jupyterlab/nbformat": ~4.4.5
-    "@jupyterlab/observables": ~5.4.5
-    "@jupyterlab/services": ~7.4.5
-    "@jupyterlab/settingregistry": ~4.4.5
-    "@jupyterlab/statedb": ~4.4.5
-    "@jupyterlite/contents": ^0.6.4
-    "@jupyterlite/kernel": ^0.6.4
-    "@jupyterlite/session": ^0.6.4
-    "@jupyterlite/settings": ^0.6.4
+    "@jupyterlab/coreutils": ~6.5.0-beta.0
+    "@jupyterlab/nbformat": ~4.5.0-beta.0
+    "@jupyterlab/observables": ~5.5.0-beta.0
+    "@jupyterlab/services": ~7.5.0-beta.0
+    "@jupyterlab/settingregistry": ~4.5.0-beta.0
+    "@jupyterlab/statedb": ~4.5.0-beta.0
+    "@jupyterlite/contents": ^0.7.0-alpha.7
+    "@jupyterlite/kernel": ^0.7.0-alpha.7
+    "@jupyterlite/session": ^0.7.0-alpha.7
+    "@jupyterlite/settings": ^0.7.0-alpha.7
     "@lumino/application": ^2.4.4
     "@lumino/coreutils": ^2.2.1
     "@lumino/signaling": ^2.1.4
     "@types/emscripten": ^1.39.6
     mock-socket: ^9.3.1
-  checksum: d7698dcc8d27deab87c9c19be05363d3106c09f6935cc7471d1aa14daa0b750d94e9478694c007e38d771d275e6bdbbd2f594fe35f9fd6c36d1a23b1c20f896d
+  checksum: a5bb2476d0b8cf3d32997556aea2ed87b333d4281e7180cb6b5056242fac2449f4f1f4f8dafba38951be3c72dcbb89f5b0de10e96fbb10a942f8dcc41f773686
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-"@jupyterlite/session@npm:^0.6.4":
-  version: 0.6.4
-  resolution: "@jupyterlite/session@npm:0.6.4"
+"@jupyterlite/session@npm:^0.7.0-alpha.7":
+  version: 0.7.0-alpha.7
+  resolution: "@jupyterlite/session@npm:0.7.0-alpha.7"
   dependencies:
-    "@jupyterlab/coreutils": ~6.4.5
-    "@jupyterlab/services": ~7.4.5
-    "@jupyterlite/kernel": ^0.6.4
+    "@jupyterlab/coreutils": ~6.5.0-beta.0
+    "@jupyterlab/services": ~7.5.0-beta.0
+    "@jupyterlite/kernel": ^0.7.0-alpha.7
     "@lumino/algorithm": ^2.0.3
     "@lumino/coreutils": ^2.2.1
-  checksum: 27321b8fcea3f36cb5fe4943c860adabe2ff9f4b288b7477edaac34ce01513270e51f9b0124145aef7c188ce89f345d0170588bd7897b86ad3049387ff57b26d
+  checksum: 509cd171bd80ba2035318ef887252b2fabccf70884b7af0ced04b52be438eac8390ce654b926f6e387515aa9b948b6005b0579514fc77215fb5ee89999fb7428
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-"@jupyterlite/settings@npm:^0.6.4":
-  version: 0.6.4
-  resolution: "@jupyterlite/settings@npm:0.6.4"
+"@jupyterlite/settings@npm:^0.7.0-alpha.7":
+  version: 0.7.0-alpha.7
+  resolution: "@jupyterlite/settings@npm:0.7.0-alpha.7"
   dependencies:
-    "@jupyterlab/coreutils": ~6.4.5
-    "@jupyterlab/settingregistry": ~4.4.5
-    "@jupyterlite/localforage": ^0.6.4
+    "@jupyterlab/coreutils": ~6.5.0-beta.0
+    "@jupyterlab/settingregistry": ~4.5.0-beta.0
+    "@jupyterlite/localforage": ^0.7.0-alpha.7
     "@lumino/coreutils": ^2.2.1
     json5: ^2.2.0
     localforage: ^1.9.0
-  checksum: b149cc4711c0a37685030353055202eff613925054df1a02f32e0c5696281d7c1e5b4cc0a151a7c8b29d0be8cf6b91915acd6251415c0a93cbc8f59337bd501e
+  checksum: 2588abef685f982c358cc4816736fa9d86481b006b0e1aaf70deaaa7be994d003264cba4630791862cef21896937b0fdc03898b7ef8cdbe53a96dbf204ec4c09
   languageName: node
   linkType: hard
 
@@ -2789,8 +2876,8 @@ __metadata:
     "@jupyterlab/settingregistry": ^4.4.3
     "@jupyterlab/testutils": ^4.4.3
     "@jupyterlite/cockle": ^1.2.0
-    "@jupyterlite/contents": ^0.6.0
-    "@jupyterlite/server": ^0.6.0
+    "@jupyterlite/contents": ^0.7.0-a7
+    "@jupyterlite/server": ^0.7.0-a7
     "@lumino/coreutils": ^2.2.1
     "@lumino/signaling": ^2.1.4
     "@types/jest": ^29.2.0