diff --git a/bindings/csharp/Makefile b/bindings/csharp/Makefile
index 84651a5..8e54e68 100644
--- a/bindings/csharp/Makefile
+++ b/bindings/csharp/Makefile
@@ -42,7 +42,7 @@ FIELD_ELEMENTS_PER_BLOB ?= 4096
 INCLUDE_DIRS = ../../src ../../blst/bindings
 TARGETS = ckzg.c ../../src/c_kzg_4844.c ../../blst/$(BLST_OBJ)
 
-CFLAGS += -O2 -Wall -Wextra -shared
+CFLAGS += -O2 -Wall -Wextra -Wpedantic -shared
 CFLAGS += -DFIELD_ELEMENTS_PER_BLOB=$(FIELD_ELEMENTS_PER_BLOB)
 CFLAGS += ${addprefix -I,${INCLUDE_DIRS}}
 BLST_BUILDSCRIPT_FLAGS += -D__BLST_PORTABLE__
diff --git a/bindings/java/Makefile b/bindings/java/Makefile
index 9be2fd6..ef571d2 100644
--- a/bindings/java/Makefile
+++ b/bindings/java/Makefile
@@ -61,7 +61,7 @@ all: build test benchmark
 .PHONY: build
 build:
 	mkdir -p ${LIBRARY_FOLDER}
-	${CLANG_EXECUTABLE} ${CC_FLAGS} ${CLANG_FLAGS} ${OPTIMIZATION_LEVEL} -Wall -Wno-missing-braces ${addprefix -I,${INCLUDE_DIRS}} -I"${JAVA_HOME}/include" -I"${JAVA_HOME}/include/${JNI_INCLUDE_FOLDER}" -DFIELD_ELEMENTS_PER_BLOB=${FIELD_ELEMENTS_PER_BLOB} -o ${LIBRARY_FOLDER}/${LIBRARY_RESOURCE} ${TARGETS}
+	${CLANG_EXECUTABLE} ${CC_FLAGS} ${CLANG_FLAGS} ${OPTIMIZATION_LEVEL} -Wall -Wextra -Wpedantic -Werror -Wno-missing-braces -Wno-unused-parameter -Wno-format ${addprefix -I,${INCLUDE_DIRS}} -I"${JAVA_HOME}/include" -I"${JAVA_HOME}/include/${JNI_INCLUDE_FOLDER}" -DFIELD_ELEMENTS_PER_BLOB=${FIELD_ELEMENTS_PER_BLOB} -o ${LIBRARY_FOLDER}/${LIBRARY_RESOURCE} ${TARGETS}
 
 .PHONY: test
 test:
diff --git a/bindings/java/c_kzg_4844_jni.c b/bindings/java/c_kzg_4844_jni.c
index 0ec6958..e17ee69 100644
--- a/bindings/java/c_kzg_4844_jni.c
+++ b/bindings/java/c_kzg_4844_jni.c
@@ -7,7 +7,7 @@ static const char *TRUSTED_SETUP_NOT_LOADED = "Trusted Setup is not loaded.";
 
 KZGSettings *settings;
 
-void reset_trusted_setup()
+void reset_trusted_setup(void)
 {
   if (settings)
   {
diff --git a/fuzz/Makefile b/fuzz/Makefile
index 242ec2c..1afd07f 100644
--- a/fuzz/Makefile
+++ b/fuzz/Makefile
@@ -7,7 +7,7 @@ CC = clang
 FIELD_ELEMENTS_PER_BLOB ?= 4096
 
 CFLAGS += -I../inc
-CFLAGS += -Wall -Wextra -Werror -O0
+CFLAGS += -Wall -Wextra -Wpedantic -Werror -O0
 CFLAGS += -DFIELD_ELEMENTS_PER_BLOB=$(FIELD_ELEMENTS_PER_BLOB)
 CFLAGS += -g -fsanitize=fuzzer
 
diff --git a/src/Makefile b/src/Makefile
index 2d50fcc..fdd939f 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -25,7 +25,7 @@ FIELD_ELEMENTS_PER_BLOB ?= 4096
 # The base compiler flags. More can be added on command line.
 CFLAGS += -I../inc
 CFLAGS += -DFIELD_ELEMENTS_PER_BLOB=$(FIELD_ELEMENTS_PER_BLOB)
-CFLAGS += -O2 -Wall -Wextra
+CFLAGS += -O2 -Wall -Wextra -Wpedantic
 
 # Cross-platform compilation settings.
 ifeq ($(PLATFORM),Windows)
diff --git a/src/test_c_kzg_4844.c b/src/test_c_kzg_4844.c
index 7571051..728c476 100644
--- a/src/test_c_kzg_4844.c
+++ b/src/test_c_kzg_4844.c
@@ -780,20 +780,20 @@ static void test_reverse_bits__succeeds_round_trip(void) {
 }
 
 static void test_reverse_bits__succeeds_all_bits_are_zero(void) {
-    uint32_t original = 0b00000000000000000000000000000000;
-    uint32_t reversed = 0b00000000000000000000000000000000;
+    uint32_t original = 0;
+    uint32_t reversed = 0;
     ASSERT_EQUALS(reverse_bits(original), reversed);
 }
 
 static void test_reverse_bits__succeeds_some_bits_are_one(void) {
-    uint32_t original = 0b10101000011111100000000000000010;
-    uint32_t reversed = 0b01000000000000000111111000010101;
+    uint32_t original = 2826829826;
+    uint32_t reversed = 1073774101;
     ASSERT_EQUALS(reverse_bits(original), reversed);
 }
 
 static void test_reverse_bits__succeeds_all_bits_are_one(void) {
-    uint32_t original = 0b11111111111111111111111111111111;
-    uint32_t reversed = 0b11111111111111111111111111111111;
+    uint32_t original = 4294967295;
+    uint32_t reversed = 4294967295;
     ASSERT_EQUALS(reverse_bits(original), reversed);
 }
 
diff --git a/src/tinytest.h b/src/tinytest.h
index 81b5f6a..d8445c8 100644
--- a/src/tinytest.h
+++ b/src/tinytest.h
@@ -71,7 +71,7 @@ const char* tt_current_expression = NULL;
 const char* tt_current_file = NULL;
 int tt_current_line = 0;
 
-void tt_execute(const char* name, void (*test_function)())
+void tt_execute(const char* name, void (*test_function)(void))
 {
   tt_current_test_failed = 0;
   test_function();