diff --git a/CHANGELOG.md b/CHANGELOG.md
index 847c1ba..ae237b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased]
 
+* Fix `bump-version` script to save `CFBundleVersion` as a string (not a number) in `Info.plist`. (Fixes #74.)
+
 ## [2.0.4][]
 
 * Fix a compiler warning new to Xcode 8.3.
diff --git a/Utilities/bump-version b/Utilities/bump-version
index 45b66aa..d11486b 100755
--- a/Utilities/bump-version
+++ b/Utilities/bump-version
@@ -112,7 +112,7 @@ def git_tag(next_version):
 def update_info_plist(next_version):
     plist = plistlib.readPlist(INFOPLIST_PATH)
     plist['CFBundleShortVersionString'] = unicode(next_version)
-    plist['CFBundleVersion'] = next_version.bundle
+    plist['CFBundleVersion'] = str(next_version.bundle)
     plistlib.writePlist(plist, INFOPLIST_PATH)