diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 6be4f54a2..128fdd258 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -47,4 +47,4 @@ jobs:
           file: ./docker/ubuntu.Dockerfile
           platforms: linux/amd64,linux/arm64
           push: ${{ github.ref == 'refs/heads/master' }}
-          tags: ghcr.io/learning-process/ppc-ubuntu:latest
+          tags: ghcr.io/learning-process/ppc-ubuntu:1.0
diff --git a/.github/workflows/perf.yml b/.github/workflows/perf.yml
index 84a92f20b..98cc9e69f 100644
--- a/.github/workflows/perf.yml
+++ b/.github/workflows/perf.yml
@@ -5,7 +5,7 @@ jobs:
   ubuntu-gcc-build-perf-stats:
     runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/pre-commit.yml b/.github/workflows/pre-commit.yml
index a889d5e98..726b85309 100644
--- a/.github/workflows/pre-commit.yml
+++ b/.github/workflows/pre-commit.yml
@@ -9,7 +9,7 @@ jobs:
   pre-commit:
     runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/static-analysis-pr.yml b/.github/workflows/static-analysis-pr.yml
index f5808b5ba..b90dedb80 100644
--- a/.github/workflows/static-analysis-pr.yml
+++ b/.github/workflows/static-analysis-pr.yml
@@ -23,7 +23,7 @@ jobs:
   clang-tidy:
     runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -71,7 +71,7 @@ jobs:
       - clang-tidy
     runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 9fdfc7b96..b6d38d8dd 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -5,7 +5,7 @@ jobs:
   gcc-build:
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -60,7 +60,7 @@ jobs:
       - gcc-build
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -92,7 +92,7 @@ jobs:
       - gcc-test
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -116,7 +116,7 @@ jobs:
   clang-build:
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -162,7 +162,7 @@ jobs:
       - clang-build
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -194,7 +194,7 @@ jobs:
       - clang-test
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -220,7 +220,7 @@ jobs:
       - clang-build
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -268,7 +268,7 @@ jobs:
       - clang-sanitizer-build
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -306,7 +306,7 @@ jobs:
       - clang-sanitizer-test
     runs-on: ${{ matrix.os }}
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
@@ -334,7 +334,7 @@ jobs:
       - clang-test-extended
     runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/learning-process/ppc-ubuntu:latest
+      image: ghcr.io/learning-process/ppc-ubuntu:1.0
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}