diff --git a/parse.go b/parse.go
index 60a7ac6..793c9a2 100644
--- a/parse.go
+++ b/parse.go
@@ -257,7 +257,7 @@ func isAlphanumeric(ch rune) bool {
 // isPatternChar matches characters that are allowed in patterns
 func isPatternChar(ch rune) bool {
 	switch ch {
-	case '*', '?', '.', '/', '@', '_', '+', '-', '\\', '(', ')', '|', '{', '}':
+	case '*', '?', '.', '/', '@', '_', '+', '-', '\\', '(', ')', '|', '{', '}', '~':
 		return true
 	}
 	return isAlphanumeric(ch)
diff --git a/parse_test.go b/parse_test.go
index 24ec8c8..6021e4a 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -273,6 +273,14 @@ func TestParseRule(t *testing.T) {
 				Owners:  []Owner{{Value: "org/team", Type: "team"}},
 			},
 		},
+		{
+			name: "pattern with tilde '~'",
+			rule: "foobar~.txt @org/team",
+			expected: Rule{
+				pattern: mustBuildPattern(t, "foobar~.txt"),
+				Owners:  []Owner{{Value: "org/team", Type: "team"}},
+			},
+		},
 
 		// Error cases
 		{