diff --git a/include/ruby/internal/intern/select/posix.h b/include/ruby/internal/intern/select/posix.h
index 6c1092b39d..0bf68ae204 100644
--- a/include/ruby/internal/intern/select/posix.h
+++ b/include/ruby/internal/intern/select/posix.h
@@ -55,7 +55,7 @@ rb_fd_copy(rb_fdset_t *dst, const fd_set *src, int n)
 }
 
 static inline void
-rb_fd_dup(rb_fdset_t *dst, const fd_set *src, int n)
+rb_fd_dup(rb_fdset_t *dst, const fd_set *src)
 {
     *dst = *src;
 }
diff --git a/version.h b/version.h
index 887a86547a..b77710055f 100644
--- a/version.h
+++ b/version.h
@@ -12,7 +12,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 4
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 181
+#define RUBY_PATCHLEVEL 182
 
 #define RUBY_RELEASE_YEAR 2022
 #define RUBY_RELEASE_MONTH 3