diff --git a/manifest.yml b/manifest.yml
index 8165fac2e..5b17c434a 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -82,14 +82,14 @@ dependencies:
   source: https://nodejs.org/dist/v24.21.0/node-v24.21.0.tar.gz
   source_sha256: 622424efb5dc0c26c93fbb619ff10737ee289c605b837c88778e186925d82777
 - name: pnpm
-  version: 12.8.2
-  uri: https://buildpacks.cloudfoundry.org/dependencies/pnpm/pnpm_12.8.2_linux_x64_any-stack_8400740c.tgz
-  sha256: 8400740c0c9aa1cb0e5b91748b95524e1839f3fb720f8ef5d4910c3fc4d0e72f
+  version: 12.9.1
+  uri: https://buildpacks.cloudfoundry.org/dependencies/pnpm/pnpm_12.9.1_linux_x64_any-stack_b4f58449.tgz
+  sha256: b4f58449ac02d9d24023ac89e17e05e8331f8ddc12ca1f489cf231bc2bb2bce1
   cf_stacks:
   - cflinuxfs4
   - cflinuxfs5
-  source: https://github.com/pnpm/pnpm/releases/download/v12.8.2/pnpm-linux-x64.tar.gz
-  source_sha256: 8400740c0c9aa1cb0e5b91748b95524e1839f3fb720f8ef5d4910c3fc4d0e72f
+  source: https://github.com/pnpm/pnpm/releases/download/v12.9.1/pnpm-linux-x64.tar.gz
+  source_sha256: b4f58449ac02d9d24023ac89e17e05e8331f8ddc12ca1f489cf231bc2bb2bce1
 - name: python
   version: 3.11.14
   uri: https://buildpacks.cloudfoundry.org/dependencies/python/python_3.11.14_linux_x64_cflinuxfs3_6d5446f5.tgz