diff --git a/Dockerfile b/Dockerfile
index cf674395..c2ab37d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,4 +14,4 @@ ADD setup.py setup.py
 RUN pip install lmfit==0.8.3
 RUN pip install uncertainties==2.4.6
 RUN pip install PyWavelets==0.3.0
-RUN pip install --no-dependencies mosaic-nist==1.3b
+RUN pip install --no-dependencies mosaic-nist==1.3b0