diff --git a/.github/workflows/build-and-deploy-release.yml b/.github/workflows/build-and-deploy-release.yml
index 496798a..fa6e65c 100644
--- a/.github/workflows/build-and-deploy-release.yml
+++ b/.github/workflows/build-and-deploy-release.yml
@@ -5,7 +5,7 @@ on:
 jobs:
   build:
     if: github.repository == 'QW-Group/qtv'
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -37,12 +37,12 @@ jobs:
            ext: ".exe"
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Prepare Build Environemnt
         run: |
              sudo apt-get update
              sudo apt-get -y install build-essential cmake gcc-i686-linux-gnu
-             sudo apt-get -y install gcc-arm-linux-gnueabihf pkg-config-arm-linux-gnueabihf libc6-dev-armhf-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
+             sudo apt-get -y install gcc-arm-linux-gnueabihf libc6-dev-armhf-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
              sudo apt-get -y install gcc-mingw-w64-x86-64 gcc-mingw-w64-i686
       - name: Build
         run: |
diff --git a/.github/workflows/build-and-deploy-snapshot.yml b/.github/workflows/build-and-deploy-snapshot.yml
index 1f36389..b1ad486 100644
--- a/.github/workflows/build-and-deploy-snapshot.yml
+++ b/.github/workflows/build-and-deploy-snapshot.yml
@@ -3,7 +3,7 @@ on: [push]
 jobs:
   build:
     if: github.repository == 'QW-Group/qtv'
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -35,12 +35,12 @@ jobs:
            ext: ".exe"
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Prepare Build Environemnt
         run: |
              sudo apt-get update
              sudo apt-get -y install build-essential cmake gcc-i686-linux-gnu
-             sudo apt-get -y install gcc-arm-linux-gnueabihf pkg-config-arm-linux-gnueabihf libc6-dev-armhf-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
+             sudo apt-get -y install gcc-arm-linux-gnueabihf libc6-dev-armhf-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
              sudo apt-get -y install gcc-mingw-w64-x86-64 gcc-mingw-w64-i686
       - name: Build
         run: |
diff --git a/.github/workflows/build-targets.yml b/.github/workflows/build-targets.yml
index 4ea71b0..8a8cbeb 100644
--- a/.github/workflows/build-targets.yml
+++ b/.github/workflows/build-targets.yml
@@ -3,7 +3,7 @@ on: [pull_request]
 jobs:
   build:
     if: github.repository == 'QW-Group/qtv'
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -35,12 +35,12 @@ jobs:
            ext: ".exe"
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Prepare Build Environemnt
         run: |
              sudo apt-get update
              sudo apt-get -y install build-essential cmake gcc-i686-linux-gnu
-             sudo apt-get -y install gcc-arm-linux-gnueabihf pkg-config-arm-linux-gnueabihf libc6-dev-armhf-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
+             sudo apt-get -y install gcc-arm-linux-gnueabihf libc6-dev-armhf-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross
              sudo apt-get -y install gcc-mingw-w64-x86-64 gcc-mingw-w64-i686
       - name: Build
         run: |
diff --git a/src/qtv.h b/src/qtv.h
index b79885c..c169e86 100644
--- a/src/qtv.h
+++ b/src/qtv.h
@@ -160,7 +160,7 @@ int		qvsnprintf(char *buffer, size_t count, const char *format, va_list argptr);
 
 #if defined(__linux__) || defined(_WIN32) || defined(__CYGWIN__)
 size_t	strlcpy (char *dst, const char *src, size_t siz);
-size_t	strlcat (char *dst, char *src, size_t siz);
+size_t	strlcat (char *dst, const char *src, size_t siz);
 #endif
 
 #ifndef _WIN32
diff --git a/src/sys.c b/src/sys.c
index 9a86116..ca407d5 100644
--- a/src/sys.c
+++ b/src/sys.c
@@ -101,7 +101,7 @@ size_t strlcpy(char *dst, const char *src, size_t siz)
 	return(s - src - 1);	/* count does not include NUL */
 }
 
-size_t strlcat(char *dst, char *src, size_t siz)
+size_t strlcat(char *dst, const char *src, size_t siz)
 {
 	register char *d = dst;
 	register const char *s = src;