diff --git a/docker/Dockerfile.amd64 b/docker/Dockerfile.amd64
index 2907c8a..9cb0624 100644
--- a/docker/Dockerfile.amd64
+++ b/docker/Dockerfile.amd64
@@ -8,6 +8,7 @@ LABEL org.opencontainers.image.source="https://github.com/thegeeklab/docker-auto
 LABEL org.opencontainers.image.documentation="https://github.com/thegeeklab/docker-autotag"
 
 ENV PY_COLORS=1
+ENV TZ=UTC
 
 ADD dist/docker_autotag-*.whl /
 
diff --git a/docker/Dockerfile.arm b/docker/Dockerfile.arm
index c86febe..afaaf91 100644
--- a/docker/Dockerfile.arm
+++ b/docker/Dockerfile.arm
@@ -8,6 +8,7 @@ LABEL org.opencontainers.image.source="https://github.com/thegeeklab/docker-auto
 LABEL org.opencontainers.image.documentation="https://github.com/thegeeklab/docker-autotag"
 
 ENV PY_COLORS=1
+ENV TZ=UTC
 
 ADD dist/docker_autotag-*.whl /
 
diff --git a/docker/Dockerfile.arm64 b/docker/Dockerfile.arm64
index db6047e..c81c3a2 100644
--- a/docker/Dockerfile.arm64
+++ b/docker/Dockerfile.arm64
@@ -8,6 +8,7 @@ LABEL org.opencontainers.image.source="https://github.com/thegeeklab/docker-auto
 LABEL org.opencontainers.image.documentation="https://github.com/thegeeklab/docker-autotag"
 
 ENV PY_COLORS=1
+ENV TZ=UTC
 
 ADD dist/docker_autotag-*.whl /