diff --git a/Dockerfile b/Dockerfile
index ed7d882..80e82ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,4 +7,5 @@ RUN apt-get update \
         telnet \
     && rm -rf /var/lib/apt/lists/*
 
-RUN hg clone https://hg.prosody.im/prosody-modules/ /usr/local/lib/prosody-modules
+RUN hg clone https://hg.prosody.im/prosody-modules/ /usr/local/lib/prosody-modules \
+    && hg up -C 95262bd1bcb2