diff --git a/Dockerfile b/Dockerfile
index 1b81deb..b022a9d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,7 +57,7 @@ RUN \
     lua-socket \
     sqlite \
     sqlite-libs \
-    zstd
+    zstd \
     zstd-libs && \
   echo "**** compile spatialindex ****" && \
   git clone https://github.com/libspatialindex/libspatialindex /tmp/spatialindex && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 094bb93..7a87503 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -57,7 +57,7 @@ RUN \
     lua-socket \
     sqlite \
     sqlite-libs \
-    zstd
+    zstd \
     zstd-libs && \
   echo "**** compile spatialindex ****" && \
   git clone https://github.com/libspatialindex/libspatialindex /tmp/spatialindex && \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 2e124e0..70a30c5 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -57,7 +57,7 @@ RUN \
     lua-socket \
     sqlite \
     sqlite-libs \
-    zstd
+    zstd \
     zstd-libs && \
   echo "**** compile spatialindex ****" && \
   git clone https://github.com/libspatialindex/libspatialindex /tmp/spatialindex && \