diff --git a/docker/images/build-kit/alpine.Dockerfile b/docker/images/build-kit/alpine.Dockerfile
index efffd36..08e56c4 100644
--- a/docker/images/build-kit/alpine.Dockerfile
+++ b/docker/images/build-kit/alpine.Dockerfile
@@ -32,7 +32,9 @@ RUN apk update && \
         py3-pip \
         # required for testing
         gtest-dev \
-        lcov
+        lcov \
+        # required by lcov
+        gzip 
 
 
 # additional packages