diff --git a/.changelog/5237.fixed b/.changelog/5237.fixed
new file mode 100644
index 0000000000..66c82306d9
--- /dev/null
+++ b/.changelog/5237.fixed
@@ -0,0 +1 @@
+Prevent release tooling from matching dependency name prefixes.
diff --git a/scripts/eachdist.py b/scripts/eachdist.py
index c5f5e9880c..39fd7b4894 100755
--- a/scripts/eachdist.py
+++ b/scripts/eachdist.py
@@ -601,7 +601,7 @@ def update_dependencies(targets, version, packages):
     operators_pattern = "|".join(re.escape(op) for op in operators)
 
     for pkg in packages:
-        search = rf"({basename(pkg)}[^,]*)({operators_pattern})(.*\.dev)"
+        search = rf"({basename(pkg)}\s+)({operators_pattern})(.*\.dev)"
         replace = r"\1\2 " + version
         update_files(
             targets,
@@ -618,7 +618,7 @@ def update_patch_dependencies(targets, version, prev_version, packages):
     operators_pattern = "|".join(re.escape(op) for op in operators)
 
     for pkg in packages:
-        search = rf"({basename(pkg)}[^,]*?)(\s?({operators_pattern})\s?)(.*{prev_version})"
+        search = rf"({basename(pkg)}\s+)(\s?({operators_pattern})\s?)(.*{prev_version})"
         replace = r"\g<1>\g<2>" + version
         print(f"{search=}\t{replace=}\t{pkg=}")
         update_files(