diff --git a/README.md b/README.md
index c53d4b8..c9941fc 100644
--- a/README.md
+++ b/README.md
@@ -90,17 +90,23 @@ file as well. You can then add `objdiff.json` to your `.gitignore` to prevent it
   "build_base": true,
   "watch_patterns": [
     "*.c",
+    "*.cc",
     "*.cp",
     "*.cpp",
     "*.cxx",
+    "*.c++",
     "*.h",
+    "*.hh",
     "*.hp",
     "*.hpp",
     "*.hxx",
+    "*.h++",
+    "*.pch",
+    "*.pch++",
+    "*.inc",
     "*.s",
     "*.S",
     "*.asm",
-    "*.inc",
     "*.py",
     "*.yml",
     "*.txt",
diff --git a/config.schema.json b/config.schema.json
index de97226..0d2f47e 100644
--- a/config.schema.json
+++ b/config.schema.json
@@ -57,17 +57,23 @@
       },
       "default": [
         "*.c",
+        "*.cc",
         "*.cp",
         "*.cpp",
         "*.cxx",
+        "*.c++",
         "*.h",
+        "*.hh",
         "*.hp",
         "*.hpp",
         "*.hxx",
+        "*.h++",
+        "*.pch",
+        "*.pch++",
+        "*.inc",
         "*.s",
         "*.S",
         "*.asm",
-        "*.inc",
         "*.py",
         "*.yml",
         "*.txt",
diff --git a/objdiff-core/src/config/mod.rs b/objdiff-core/src/config/mod.rs
index bf953de..909365d 100644
--- a/objdiff-core/src/config/mod.rs
+++ b/objdiff-core/src/config/mod.rs
@@ -204,8 +204,9 @@ pub struct ScratchConfig {
 pub const CONFIG_FILENAMES: [&str; 3] = ["objdiff.json", "objdiff.yml", "objdiff.yaml"];
 
 pub const DEFAULT_WATCH_PATTERNS: &[&str] = &[
-    "*.c", "*.cp", "*.cpp", "*.cxx", "*.h", "*.hp", "*.hpp", "*.hxx", "*.s", "*.S", "*.asm",
-    "*.inc", "*.py", "*.yml", "*.txt", "*.json",
+    "*.c", "*.cc", "*.cp", "*.cpp", "*.cxx", "*.c++", "*.h", "*.hh", "*.hp", "*.hpp", "*.hxx",
+    "*.h++", "*.pch", "*.pch++", "*.inc", "*.s", "*.S", "*.asm", "*.py", "*.yml", "*.txt",
+    "*.json",
 ];
 
 pub const DEFAULT_IGNORE_PATTERNS: &[&str] = &["build/**/*"];