diff --git a/.gitea/workflows/release-latest.yaml b/.gitea/workflows/release-latest.yaml
index 2296fbe..997d8ef 100644
--- a/.gitea/workflows/release-latest.yaml
+++ b/.gitea/workflows/release-latest.yaml
@@ -22,7 +22,7 @@ jobs:
       - name: Build and push image
         run: |
           docker buildx build \
-            --build-arg BUILD_DATE="$(date --rfc-3339 seconds)" \
+            --build-arg BUILD_DATE="$(date -u +"%Y-%m-%dT%H:%M:%SZ")" \
             --file Dockerfile \
             --platform linux/arm64 \
             --provenance false \
@@ -47,7 +47,7 @@ jobs:
       - name: Build and push image
         run: |
           docker buildx build \
-            --build-arg BUILD_DATE="$(date --rfc-3339 seconds)" \
+            --build-arg BUILD_DATE="$(date -u +"%Y-%m-%dT%H:%M:%SZ")" \
             --file Dockerfile \
             --platform linux/amd64 \
             --provenance false \
diff --git a/.gitea/workflows/release-tagged.yaml b/.gitea/workflows/release-tagged.yaml
index c8053ed..e751c7f 100644
--- a/.gitea/workflows/release-tagged.yaml
+++ b/.gitea/workflows/release-tagged.yaml
@@ -44,7 +44,7 @@ jobs:
       - name: Build and push image
         run: |
           docker buildx build \
-            --build-arg BUILD_DATE="$(date --rfc-3339 seconds)" \
+            --build-arg BUILD_DATE="$(date -u +"%Y-%m-%dT%H:%M:%SZ")" \
             --build-arg DC_VERSION=${{ steps.version_extraction.outputs.version_raw }} \
             --file Dockerfile \
             --platform linux/arm64 \
@@ -85,7 +85,7 @@ jobs:
       - name: Build and push image
         run: |
           docker buildx build \
-            --build-arg BUILD_DATE="$(date --rfc-3339 seconds)" \
+            --build-arg BUILD_DATE="$(date -u +"%Y-%m-%dT%H:%M:%SZ")" \
             --build-arg DC_VERSION=${{ steps.version_extraction.outputs.version_raw }} \
             --file Dockerfile \
             --platform linux/amd64 \
diff --git a/Makefile b/Makefile
index e885de5..27a2f51 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,7 @@ DC_IMAGE_FULLY_QUALIFIED=${DC_IMAGE_REGISTRY_NAME}/${DC_IMAGE_NAMESPACE}/${DC_IM
 PHONY:=container-image/build
 container-image/build:
 	${CONTAINER_RUNTIME} build \
-		--build-arg BUILD_DATE="$(shell date --rfc-3339 seconds)" \
+		--build-arg BUILD_DATE="$(shell date -u +"%Y-%m-%dT%H:%M:%SZ")" \
 		--file Dockerfile \
 		--no-cache \
 		--pull \