diff --git a/tbump.toml b/tbump.toml
index 1829231c..2434947e 100644
--- a/tbump.toml
+++ b/tbump.toml
@@ -24,7 +24,7 @@ tag_template = "v{new_version}"
 # tbump.toml location.
 [[file]]
 src = "pyproject.toml"
-search = 'version = {current_version}'
+search = 'version = "{current_version}"'
 
 # You can specify a list of commands to
 # run after the files have been patched