diff --git a/.github/workflows/command-dispatch.yml b/.github/workflows/command-dispatch.yml
index 32ae45f2..075291a6 100644
--- a/.github/workflows/command-dispatch.yml
+++ b/.github/workflows/command-dispatch.yml
@@ -21,7 +21,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/license.yml b/.github/workflows/license.yml
index 34154861..3b1edeb2 100644
--- a/.github/workflows/license.yml
+++ b/.github/workflows/license.yml
@@ -27,7 +27,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 694c7df1..801b3453 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -26,7 +26,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 4bffab43..8feb3925 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -21,7 +21,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index 3f76a4b7..ef8916c5 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -22,7 +22,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 7e7a3fd7..3d5ed8ca 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -21,7 +21,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5dbda6e7..cbaaf4c2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/resync-build.yml b/.github/workflows/resync-build.yml
index 908cf2aa..8c68197a 100644
--- a/.github/workflows/resync-build.yml
+++ b/.github/workflows/resync-build.yml
@@ -23,7 +23,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/.github/workflows/run-acceptance-tests.yml b/.github/workflows/run-acceptance-tests.yml
index 111884e0..061960ea 100644
--- a/.github/workflows/run-acceptance-tests.yml
+++ b/.github/workflows/run-acceptance-tests.yml
@@ -22,7 +22,7 @@ env:
   PULUMI_LOCAL_NUGET: ${{ github.workspace }}/nuget
   PYPI_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
   PYPI_USERNAME: __token__
-  PYTHONVERSION: "3.9"
+  PYTHONVERSION: "3.11"
   SIGNING_KEY: ${{ secrets.JAVA_SIGNING_KEY }}
   SIGNING_KEY_ID: ${{ secrets.JAVA_SIGNING_KEY_ID }}
   SIGNING_PASSWORD: ${{ secrets.JAVA_SIGNING_PASSWORD }}
diff --git a/devbox.json b/devbox.json
index b7cc2dfd..6b9c10cd 100644
--- a/devbox.json
+++ b/devbox.json
@@ -4,7 +4,7 @@
     "pulumictl@latest",
     "go@1.21.",
     "nodejs@20.",
-    "python3@3.9",
+    "python3@3.11",
     "dotnet-sdk@6.0.",
     "gradle_7@7.6"
   ],