diff --git a/scripts/bump-version.py b/scripts/bump-version.py
index 367b3f6351fde5523f8ad38fc722739a468e4381..361e7877258e6954c7f267931908d6016ff8f216 100755
--- a/scripts/bump-version.py
+++ b/scripts/bump-version.py
@@ -35,3 +35,13 @@ for i, line in enumerate(lines):
   if line.startswith("ARG OPENSTRUCTURE_VERSION"):
     lines[i] = 'ARG OPENSTRUCTURE_VERSION="%s"\n' % version_string
 open("docker/Dockerfile", "w").writelines(lines)
+
+# fix Singularity recipe
+vfile = "singularity/Singularity"
+lines = open(vfile).readlines()
+for i, line in enumerate(lines):
+  if line.startswith("From: registry.scicore.unibas.ch/schwede/openstructure:"):
+    lines[i] = 'From: registry.scicore.unibas.ch/schwede/openstructure:'+\
+      '"%s"' % version_string
+    break
+open(vfile, "w").writelines(lines)
diff --git a/singularity/Singularity b/singularity/Singularity
index 3a3889f2026cb6f5376f90c5a47fa983e2c8e16e..9d1a3d96bf7529a57ce0bb2e581b1d81892d7a15 100644
--- a/singularity/Singularity
+++ b/singularity/Singularity
@@ -1,6 +1,5 @@
 BootStrap: docker
-From: registry.scicore.unibas.ch/schwede/openstructure:python3_test2
-
+From: registry.scicore.unibas.ch/schwede/openstructure:"2.0.0"
 
 %post
 ##############################################################################