diff --git a/packages/ppxlib-tools/ppxlib-tools.0.34.0/opam b/packages/ppxlib-tools/ppxlib-tools.0.34.0/opam
index 6ad905fc9e2..cc2cf8a46b2 100644
--- a/packages/ppxlib-tools/ppxlib-tools.0.34.0/opam
+++ b/packages/ppxlib-tools/ppxlib-tools.0.34.0/opam
@@ -35,9 +35,9 @@ build: [
 ]
 dev-repo: "git+https://github.com/ocaml-ppx/ppxlib.git"
 url {
-  src: "https://github.com/ocaml-ppx/ppxlib/archive/a8ee1f3996f9c83ba7303f21f1e1aec2c042baa4.tar.gz"
+  src: "https://github.com/ocaml-ppx/ppxlib/archive/c1b380c9719ea4de158fb6439dcc8e215ba54680.tar.gz"
   checksum: [
-    "sha256=0b584d092016699b08b758251453afe00ac1634c5b401797de66ac7e130669d6"
-    "sha512=bb57d81685981929d6be581b9e08699f2bf15e3e936397fe3ba7c3440e5f6dbf785c0067db3a6365c24d468a16d3aa87293d06d652380c6a1256ff62ba1f9957"
+    "sha256=a1b15451a98973003bb9756fb66e310a28462c42d1b92849751e7a089fff1d0b"
+    "sha512=5de9cec5bdab3c6b65bd0a30384f24464fcbd1a1529420186f9ef5915e6e6dbe52b6413325fbc97240a5f19fcb9a9ef3b17e31c87a5c8eba541791854e0e6125"
   ]
 }
diff --git a/packages/ppxlib/ppxlib.0.34.0/opam b/packages/ppxlib/ppxlib.0.34.0/opam
index fb399bee66f..330cd1d1774 100644
--- a/packages/ppxlib/ppxlib.0.34.0/opam
+++ b/packages/ppxlib/ppxlib.0.34.0/opam
@@ -53,9 +53,9 @@ build: [
 ]
 dev-repo: "git+https://github.com/ocaml-ppx/ppxlib.git"
 url {
-  src: "https://github.com/ocaml-ppx/ppxlib/archive/a8ee1f3996f9c83ba7303f21f1e1aec2c042baa4.tar.gz"
+  src: "https://github.com/ocaml-ppx/ppxlib/archive/c1b380c9719ea4de158fb6439dcc8e215ba54680.tar.gz"
   checksum: [
-    "sha256=0b584d092016699b08b758251453afe00ac1634c5b401797de66ac7e130669d6"
-    "sha512=bb57d81685981929d6be581b9e08699f2bf15e3e936397fe3ba7c3440e5f6dbf785c0067db3a6365c24d468a16d3aa87293d06d652380c6a1256ff62ba1f9957"
+    "sha256=a1b15451a98973003bb9756fb66e310a28462c42d1b92849751e7a089fff1d0b"
+    "sha512=5de9cec5bdab3c6b65bd0a30384f24464fcbd1a1529420186f9ef5915e6e6dbe52b6413325fbc97240a5f19fcb9a9ef3b17e31c87a5c8eba541791854e0e6125"
   ]
 }