diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 76e2d5c..b9dcc03 100755
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,17 @@
 stages:
   - deploy
+  - check
+
+check_lib_reversion:
+  stage: check
+  except:
+    - master
+    - /^release\/v/
+  image: $CI_DOCKER_REGISTRY/esp32-ci-env
+  script:
+    - for dir in esp32 esp32s2 esp32s3; do test $(xtensa-esp32-elf-nm $dir/*.a | grep -w printf | wc -l) -eq 0; done;
+    - for dir in esp32 esp32s2 esp32s3; do test $(xtensa-esp32-elf-nm $dir/*.a | grep -w ets_printf | wc -l) -eq 0; done;
+
 
 push_master_to_github:
   stage: deploy
diff --git a/esp32c3/libbtbb.a b/esp32c3/libbtbb.a
index 8d30c9c..b9f3f44 100644
Binary files a/esp32c3/libbtbb.a and b/esp32c3/libbtbb.a differ
diff --git a/esp32c3/libphy.a b/esp32c3/libphy.a
index 7f13bfb..28f6774 100644
Binary files a/esp32c3/libphy.a and b/esp32c3/libphy.a differ
diff --git a/esp32h2/libbtbb.a b/esp32h2/libbtbb.a
index 0eb776e..ad1c3b5 100644
Binary files a/esp32h2/libbtbb.a and b/esp32h2/libbtbb.a differ
diff --git a/esp32h2/libphy.a b/esp32h2/libphy.a
index bd0a0be..d66e76a 100644
Binary files a/esp32h2/libphy.a and b/esp32h2/libphy.a differ
diff --git a/esp32s3/libbtbb.a b/esp32s3/libbtbb.a
index b3bb0e2..da9a454 100644
Binary files a/esp32s3/libbtbb.a and b/esp32s3/libbtbb.a differ
diff --git a/esp32s3/libphy.a b/esp32s3/libphy.a
index d6dcc9e..e5fc845 100644
Binary files a/esp32s3/libphy.a and b/esp32s3/libphy.a differ
diff --git a/fix_printf.sh b/fix_printf.sh
index 4e1bdc8..b698af0 100755
--- a/fix_printf.sh
+++ b/fix_printf.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-for dir in esp32 esp32s2 esp32c3 esp32s3; do
+for dir in esp32 esp32s2 esp32c3 esp32s3 esp32h2; do
     if [ $dir = esp32 ]; then
         TOOLCHAIN="xtensa-esp32-elf"
     elif [ $dir = esp32s2 ]; then
@@ -8,18 +8,26 @@ for dir in esp32 esp32s2 esp32c3 esp32s3; do
         TOOLCHAIN="riscv32-esp-elf"
     elif [ $dir = esp32s3 ]; then
         TOOLCHAIN="xtensa-esp32s3-elf"
+    elif [ $dir = esp32h2 ]; then
+        TOOLCHAIN="riscv32-esp-elf"
     else
         echo "$dir does not exist"
     fi
     if [ -d "$dir" ]; then
         cd $dir
 
-        if [ $dir = esp32 ] || [ $dir = esp32s2 ]; then
+        if [ $dir = esp32 ]; then
             git status librtc.a | grep "modified" >/dev/null 2>&1
             if [ $? -eq 0 ]; then
                 echo $dir/librtc.a fixed
                 $TOOLCHAIN-objcopy --redefine-sym ets_printf=rtc_printf librtc.a
             fi
+        elif [ $dir != esp32s2 ]; then
+            git status libbtbb.a | grep "modified" >/dev/null 2>&1
+            if [ $? -eq 0 ]; then
+                echo $dir/libbtbb.a fixed
+                $TOOLCHAIN-objcopy --redefine-sym ets_printf=rtc_printf libbtbb.a
+            fi
         fi
 
         git status libphy.a | grep "modified" >/dev/null 2>&1