diff --git a/.bazelversion b/.bazelversion
new file mode 100644
index 0000000..f22d756
--- /dev/null
+++ b/.bazelversion
@@ -0,0 +1 @@
+6.5.0
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 26449f6..72c0483 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/krpc/buildenv:3.1.1
+      image: ghcr.io/krpc/buildenv:3.3.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.github_token }}
@@ -28,7 +28,7 @@ jobs:
   build-krpc2-linux:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/krpc/buildenv:3.1.1
+      image: ghcr.io/krpc/buildenv:3.3.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.github_token }}
@@ -68,7 +68,7 @@ jobs:
   build-krpc2-sln-linux:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/krpc/buildenv:3.1.1
+      image: ghcr.io/krpc/buildenv:3.3.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.github_token }}