diff --git a/Dockerfile b/Dockerfile
index 30a2b77..1dfbb7f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ RUN \
     openssl-dev \
     python3-dev && \
   apk add  -U --update --no-cache \
-    p7zip \
+    7zip \
     par2cmdline \
     python3 && \
   echo "**** install unrar from source ****" && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 529ed3e..8b3e69d 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -25,7 +25,7 @@ RUN \
     openssl-dev \
     python3-dev && \
   apk add  -U --update --no-cache \
-    p7zip \
+    7zip \
     par2cmdline \
     python3 && \
   echo "**** install unrar from source ****" && \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 506d196..3ad437f 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -25,7 +25,7 @@ RUN \
     openssl-dev \
     python3-dev && \
   apk add  -U --update --no-cache \
-    p7zip \
+    7zip \
     par2cmdline \
     python3 && \
   echo "**** install unrar from source ****" && \