diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 5912340..094d772 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -3,7 +3,8 @@ LABEL maintainer="David Goodwin <david@codepoets.co.uk> (@DavidGoodwin)"
 
 # docker-entrypoint.sh dependencies
 RUN apk add --no-cache \
-		bash
+		bash \
+		tzdata
 
 # Install required PHP extensions
 RUN set -ex; \
diff --git a/fpm-alpine/Dockerfile b/fpm-alpine/Dockerfile
index a14c50c..86d6e74 100644
--- a/fpm-alpine/Dockerfile
+++ b/fpm-alpine/Dockerfile
@@ -3,7 +3,8 @@ LABEL maintainer="David Goodwin <david@codepoets.co.uk> (@DavidGoodwin)"
 
 # docker-entrypoint.sh dependencies
 RUN apk add --no-cache \
-		bash
+		bash \
+		tzdata
 
 # Install required PHP extensions
 RUN set -ex; \