diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 5f74afa2c6668..1a31fd31b4e21 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -234,7 +234,7 @@ jobs:
         debug: [true, false]
         zts: [true, false]
     name: "${{ matrix.branch.name }}_MACOS_${{ matrix.debug && 'DEBUG' || 'RELEASE' }}_${{ matrix.zts && 'ZTS' || 'NTS' }}"
-    runs-on: macos-12
+    runs-on: macos-13
     steps:
       - name: git checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 61c425fe93b4f..fbcc6a69cdddf 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -150,7 +150,7 @@ jobs:
         if: ${{ !matrix.asan }}
         uses: ./.github/actions/verify-generated-files
   MACOS_DEBUG_NTS:
-    runs-on: macos-12
+    runs-on: macos-13
     steps:
       - name: git checkout
         uses: actions/checkout@v4
diff --git a/ext/pcre/pcre2lib/sljit/sljitExecAllocator.c b/ext/pcre/pcre2lib/sljit/sljitExecAllocator.c
index 92d940ddc2485..6d43040b8e726 100644
--- a/ext/pcre/pcre2lib/sljit/sljitExecAllocator.c
+++ b/ext/pcre/pcre2lib/sljit/sljitExecAllocator.c
@@ -110,7 +110,7 @@ static SLJIT_INLINE void free_chunk(void *chunk, sljit_uw size)
 
 #define SLJIT_MAP_JIT	(get_map_jit_flag())
 
-static SLJIT_INLINE int get_map_jit_flag()
+static SLJIT_INLINE int get_map_jit_flag(void)
 {
 	size_t page_size;
 	void *ptr;
diff --git a/sapi/fpm/fpm/events/kqueue.c b/sapi/fpm/fpm/events/kqueue.c
index 8fc4a6f049b0d..b81650d7741dc 100644
--- a/sapi/fpm/fpm/events/kqueue.c
+++ b/sapi/fpm/fpm/events/kqueue.c
@@ -96,7 +96,7 @@ static int fpm_event_kqueue_init(int max) /* {{{ */
 /*
  * release kqueue stuff
  */
-static int fpm_event_kqueue_clean() /* {{{ */
+static int fpm_event_kqueue_clean(void) /* {{{ */
 {
 	if (kevents) {
 		free(kevents);