diff --git a/internal/fingerprint/sources_checksum.go b/internal/fingerprint/sources_checksum.go
index da6f50d3..f38903ca 100644
--- a/internal/fingerprint/sources_checksum.go
+++ b/internal/fingerprint/sources_checksum.go
@@ -42,7 +42,7 @@ func (checker *ChecksumChecker) IsUpToDate(t *taskfile.Task) (bool, error) {
 		return false, nil
 	}
 
-	if !checker.dry {
+	if !checker.dry && oldMd5 != newMd5 {
 		_ = os.MkdirAll(filepathext.SmartJoin(checker.tempDir, "checksum"), 0o755)
 		if err = os.WriteFile(checksumFile, []byte(newMd5+"\n"), 0o644); err != nil {
 			return false, err
diff --git a/task_test.go b/task_test.go
index 2cc5f8a6..e238e95d 100644
--- a/task_test.go
+++ b/task_test.go
@@ -508,9 +508,10 @@ func TestStatusChecksum(t *testing.T) {
 			}
 
 			var buff bytes.Buffer
+			tempdir := filepathext.SmartJoin(dir, ".task")
 			e := task.Executor{
 				Dir:     dir,
-				TempDir: filepathext.SmartJoin(dir, ".task"),
+				TempDir: tempdir,
 				Stdout:  &buff,
 				Stderr:  &buff,
 			}
@@ -522,9 +523,19 @@ func TestStatusChecksum(t *testing.T) {
 				require.NoError(t, err)
 			}
 
+			// Capture the modification time, so we can ensure the checksum file
+			// is not regenerated when the hash hasn't changed.
+			s, err := os.Stat(filepathext.SmartJoin(tempdir, "checksum/"+test.task))
+			require.NoError(t, err)
+			time := s.ModTime()
+
 			buff.Reset()
 			require.NoError(t, e.Run(context.Background(), taskfile.Call{Task: test.task}))
 			assert.Equal(t, `task: Task "`+test.task+`" is up to date`+"\n", buff.String())
+
+			s, err = os.Stat(filepathext.SmartJoin(tempdir, "checksum/"+test.task))
+			require.NoError(t, err)
+			assert.Equal(t, time, s.ModTime())
 		})
 	}
 }