diff --git a/Dockerfile b/Dockerfile
index 9ee6b08..7de70fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ FROM node:16-alpine
 WORKDIR /app
 RUN wget -q https://github.com/NickColley/semaphore/archive/refs/tags/1.0.0.tar.gz \
 	     -O /tmp/semaphore.tar.gz \
- && tar xavf /tmp/1.0.0.tar.gz --strip-components 1 \
+ && tar xavf /tmp/semaphore.tar.gz --strip-components 1 \
  && rm -f /tmp/semaphore.tar.gz
 
 # Install Semaphore