diff --git a/riemann-dash/Dockerfile b/riemann-dash/Dockerfile
index 0ebd8a0..1f9f670 100644
--- a/riemann-dash/Dockerfile
+++ b/riemann-dash/Dockerfile
@@ -7,7 +7,8 @@ RUN DEBIAN_FRONTEND=noninteractive \
     apt-get install -y \
     ca-certificates
 
-RUN gem install --no-rdoc --no-ri riemann-dash thin fog
+RUN gem install --no-rdoc --no-ri riemann-dash thin 
+RUN gem install --no-rdoc --no-ri fog -v 1.19.0
 
 WORKDIR /app