diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6029c3..bc0490d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     container:
-      image: quay.io/centos-boot/builder:latest@sha256:65ce75a3515e2711ff770b778ae9eed9eafa895e1afe222d44ca74a337e2e6e1
+      image: quay.io/centos-boot/builder:1.0.0
       options: --privileged
 
     strategy:
diff --git a/.github/workflows/publish-image.yml b/.github/workflows/publish-image.yml
index ddbb88a..8b13c9e 100644
--- a/.github/workflows/publish-image.yml
+++ b/.github/workflows/publish-image.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     container:
-      image: quay.io/centos-boot/builder:latest@sha256:65ce75a3515e2711ff770b778ae9eed9eafa895e1afe222d44ca74a337e2e6e1
+      image: quay.io/centos-boot/builder:1.0.0
       options: --privileged
 
     strategy:
diff --git a/.tekton/ostree-build.yaml b/.tekton/ostree-build.yaml
index f70a28d..83c8381 100644
--- a/.tekton/ostree-build.yaml
+++ b/.tekton/ostree-build.yaml
@@ -206,7 +206,7 @@ spec:
         - name: PLATFORM
           value: linux/amd64
         - name: BUILDER_IMAGE
-          value: quay.io/centos-boot/builder:latest
+          value: quay.io/centos-boot/builder:1.0.0
       runAfter:
         - clone-repository
       taskRef:
@@ -241,7 +241,7 @@ spec:
         - name: PLATFORM
           value: linux/arm64
         - name: BUILDER_IMAGE
-          value: quay.io/centos-boot/builder:latest
+          value: quay.io/centos-boot/builder:1.0.0
       runAfter:
         - clone-repository-arm64
       taskRef:
@@ -276,7 +276,7 @@ spec:
         - name: PLATFORM
           value: linux/s390x
         - name: BUILDER_IMAGE
-          value: quay.io/centos-boot/builder:latest
+          value: quay.io/centos-boot/builder:1.0.0
       runAfter:
         - clone-repository-s390x
       taskRef: