diff --git a/.github/workflows/command-dispatch.yml b/.github/workflows/command-dispatch.yml
index 111e5b11..ac5fa743 100644
--- a/.github/workflows/command-dispatch.yml
+++ b/.github/workflows/command-dispatch.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/license.yml b/.github/workflows/license.yml
index 7a6e7589..cf4ae392 100644
--- a/.github/workflows/license.yml
+++ b/.github/workflows/license.yml
@@ -32,7 +32,7 @@ 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 8c34877e..5e7f4455 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -31,7 +31,7 @@ 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 32b5e476..f8572ca5 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.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/prerelease.yml b/.github/workflows/prerelease.yml
index 81bd484e..db81552a 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.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/pull-request.yml b/.github/workflows/pull-request.yml
index aa400c81..909fd51c 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.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/release.yml b/.github/workflows/release.yml
index 7e382ff0..cec72de7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.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/resync-build.yml b/.github/workflows/resync-build.yml
index 621978b1..ed94c14d 100644
--- a/.github/workflows/resync-build.yml
+++ b/.github/workflows/resync-build.yml
@@ -28,7 +28,7 @@ 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 262a8160..c5e9c731 100644
--- a/.github/workflows/run-acceptance-tests.yml
+++ b/.github/workflows/run-acceptance-tests.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/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"
   ],