diff --git a/lib/external/pattern_language b/lib/external/pattern_language
index dc3346e64..66d3a0594 160000
--- a/lib/external/pattern_language
+++ b/lib/external/pattern_language
@@ -1 +1 @@
-Subproject commit dc3346e64b3aafae972e4b71cc1e9cac8224622a
+Subproject commit 66d3a0594888c85340f0c61f8b5a7cac9e1b163f
diff --git a/plugins/builtin/source/content/views/view_pattern_editor.cpp b/plugins/builtin/source/content/views/view_pattern_editor.cpp
index 0570ae14f..126c66cd1 100644
--- a/plugins/builtin/source/content/views/view_pattern_editor.cpp
+++ b/plugins/builtin/source/content/views/view_pattern_editor.cpp
@@ -32,7 +32,7 @@ namespace hex::plugin::builtin {
         static TextEditor::LanguageDefinition langDef;
         if (!initialized) {
             constexpr static std::array keywords = {
-                "using", "struct", "union", "enum", "bitfield", "be", "le", "if", "else", "match", "false", "true", "this", "parent", "addressof", "sizeof", "$", "while", "for", "fn", "return", "break", "continue", "namespace", "in", "out", "ref", "null", "const"
+                "using", "struct", "union", "enum", "bitfield", "be", "le", "if", "else", "match", "false", "true", "this", "parent", "addressof", "sizeof", "$", "while", "for", "fn", "return", "break", "continue", "namespace", "in", "out", "ref", "null", "const", "unsigned", "signed"
             };
             for (auto &k : keywords)
                 langDef.mKeywords.insert(k);