diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 25766d6..f9106b4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -42,7 +42,7 @@ jobs:
 
     strategy:
       matrix:
-        pg-version: ['15']
+        pg-version: ['17']
 
     steps:
       - uses: actions/checkout@v4
@@ -95,4 +95,4 @@ jobs:
         uses: coverallsapp/github-action@v2.3.6
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
-          files: ./coverage.info
+          files: ./build-${{ matrix.pg-version }}/coverage.info
diff --git a/.gitignore b/.gitignore
index 8f76412..7106c66 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ test/expected/event_triggers.out
 *.gcda
 coverage.info
 coverage_html
+test/init.conf
diff --git a/Makefile b/Makefile
index 90d92c6..426f08f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,11 @@
+OS = $(shell uname -s)
+
+ifeq ($(OS), Linux)
+  DL_SUFFIX=so
+else
+  DL_SUFFIX=dylib
+endif
+
 GREP ?= grep
 PG_CONFIG = pg_config
 
@@ -25,6 +33,7 @@ SRC = $(wildcard src/*.c)
 OBJS = $(patsubst $(SRC_DIR)/%.c, $(BUILD_DIR)/%.o, $(SRC))
 
 PG_VERSION = $(strip $(shell $(PG_CONFIG) --version | $(GREP) -oP '(?<=PostgreSQL )[0-9]+'))
+PG_EQ15 = $(shell test $(PG_VERSION) -eq 15; echo $$?)
 PG_GE16 = $(shell test $(PG_VERSION) -ge 16; echo $$?)
 PG_GE14 = $(shell test $(PG_VERSION) -ge 14; echo $$?)
 SYSTEM = $(shell uname -s)
@@ -47,7 +56,19 @@ EXTRA_CLEAN = $(GENERATED_OUT)
 
 PGXS := $(shell $(PG_CONFIG) --pgxs)
 
-build: $(BUILD_DIR)/$(EXTENSION).so
+build: $(BUILD_DIR)/$(EXTENSION).$(DL_SUFFIX) test/init.conf
+
+.PHONY: test/init.conf
+test/init.conf: test/init.conf.in
+ifeq ($(PG_EQ15), 0)
+	sed \
+		-e '/<\/\?PG_EQ_15>/d' \
+		$? > $@
+else
+	sed \
+		-e '/<PG_EQ_15>/,/<\/PG_EQ_15>/d' \
+		$? > $@
+endif
 
 PG_CPPFLAGS := $(CPPFLAGS) -DTEST=1
 
@@ -58,7 +79,7 @@ $(BUILD_DIR)/.gitignore:
 $(BUILD_DIR)/%.o: $(SRC_DIR)/%.c $(BUILD_DIR)/.gitignore
 	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
 
-$(BUILD_DIR)/$(EXTENSION).so: $(EXTENSION).so
+$(BUILD_DIR)/$(EXTENSION).$(DL_SUFFIX): $(EXTENSION).$(DL_SUFFIX)
 	mv $? $@
 
 include $(PGXS)
diff --git a/nix/plpgsql-check.nix b/nix/plpgsql-check.nix
new file mode 100644
index 0000000..58d190c
--- /dev/null
+++ b/nix/plpgsql-check.nix
@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchFromGitHub, postgresql }:
+
+stdenv.mkDerivation rec {
+  pname = "plpgsql-check";
+  version = "2.7.11";
+
+  src = fetchFromGitHub {
+    owner = "okbob";
+    repo = "plpgsql_check";
+    rev = "v${version}";
+    hash = "sha256-vR3MvfmUP2QEAtXFpq0NCCKck3wZPD+H3QleHtyVQJs=";
+  };
+
+  buildInputs = [ postgresql ];
+
+  installPhase = ''
+    install -D -t $out *${postgresql.dlSuffix}
+    install -D -t $out *.sql
+    install -D -t $out *.control
+  '';
+
+  meta = with lib; {
+    description = "Linter tool for language PL/pgSQL";
+    homepage = "https://github.com/okbob/plpgsql_check";
+    changelog = "https://github.com/okbob/plpgsql_check/releases/tag/v${version}";
+    platforms = postgresql.meta.platforms;
+    license = licenses.mit;
+    maintainers = [ maintainers.marsam ];
+  };
+}
diff --git a/nix/xpg.nix b/nix/xpg.nix
index 3b3d8d4..6c81cd9 100644
--- a/nix/xpg.nix
+++ b/nix/xpg.nix
@@ -3,9 +3,9 @@ let
   dep = fetchFromGitHub {
     owner  = "steve-chavez";
     repo   = "xpg";
-    rev    = "v1.2";
-    sha256 = "sha256-7sP+exW5CSh8c9NW4f8yr4bLcN5hJDxU5eWa8PjoNZA=";
+    rev    = "v1.3.0";
+    sha256 = "sha256-jDELiBbnCpRXIpod7msnhMfGcrW0pR3snDQ5T81nO0I=";
   };
-  xpg = (import dep).xpg;
+  xpg = import dep;
 in
 xpg
diff --git a/shell.nix b/shell.nix
index 7de5dcf..4181182 100644
--- a/shell.nix
+++ b/shell.nix
@@ -4,7 +4,14 @@ with import (builtins.fetchTarball {
   sha256 = "sha256:1lr1h35prqkd1mkmzriwlpvxcb34kmhc9dnr48gkm8hh089hifmx";
 }) {};
 mkShell {
-  buildInputs = [
-    (callPackage ./nix/xpg.nix {inherit fetchFromGitHub;})
-  ];
+  buildInputs =
+    let
+      xpg = callPackage ./nix/xpg.nix {};
+      pgsqlcheck15 = callPackage ./nix/plpgsql-check.nix {
+        postgresql = xpg.postgresql_15;
+      };
+    in
+    [
+      (xpg.xpgWithExtensions { exts15 = [ pgsqlcheck15 ]; })
+    ];
 }
diff --git a/src/event_triggers.c b/src/event_triggers.c
index e3ef62a..11225b1 100644
--- a/src/event_triggers.c
+++ b/src/event_triggers.c
@@ -8,7 +8,7 @@ void
 force_noop(FmgrInfo *finfo)
 {
     finfo->fn_addr   = (PGFunction) noop;
-    finfo->fn_oid    = InvalidOid;           /* not a known function OID anymore */
+    finfo->fn_oid    = 38;                   /* put the int2in oid which is sure to exist, this avoids cache lookup errors. See https://github.com/supabase/supautils/pull/129*/
     finfo->fn_nargs  = 0;                    /* no arguments for noop */
     finfo->fn_strict = false;
     finfo->fn_retset = false;
diff --git a/test/init.conf b/test/init.conf.in
similarity index 92%
rename from test/init.conf
rename to test/init.conf.in
index 0fac0a4..1dde758 100644
--- a/test/init.conf
+++ b/test/init.conf.in
@@ -1,4 +1,7 @@
-shared_preload_libraries='supautils'
+<PG_EQ_15>
+shared_preload_libraries='plpgsql_check'
+</PG_EQ_15>
+session_preload_libraries = 'supautils'
 wal_level=logical
 
 supautils.reserved_roles='supabase_storage_admin, anon, reserved_but_not_yet_created, authenticator*'