diff --git a/Dockerfile-ocrd_calamari03 b/Dockerfile-ocrd_calamari03
index c1158dc..43389ad 100644
--- a/Dockerfile-ocrd_calamari03
+++ b/Dockerfile-ocrd_calamari03
@@ -10,7 +10,7 @@ RUN ${PIP_INSTALL} \
         'tensorflow-gpu == 1.15.*' \
         'calamari-ocr == 0.3.5' \
 # Now the real stuff:
-        'ocrd_calamari >= 0.0.7'
+        'ocrd_calamari == 0.0.7'
 
 
 # Copy OCR models