diff --git a/.github/workflows/ci-mingw64-Qt6.yml b/.github/workflows/ci-mingw64-Qt6.yml
index 946aa912e..6d11712b9 100644
--- a/.github/workflows/ci-mingw64-Qt6.yml
+++ b/.github/workflows/ci-mingw64-Qt6.yml
@@ -65,6 +65,11 @@ jobs:
           git submodule update --init --remote libbitdht/ libretroshare/ retroshare-webui/
           git submodule update --init supportlibs/librnp supportlibs/rapidjson supportlibs/restbed
 
+      - name: Workaround librnp strlen build regression
+        run: |
+          FILE="supportlibs/librnp/src/lib/crypto/mem.cpp"
+          grep -q '#include <cstring>' "$FILE" || sed -i '/#include <cstdio>/a #include <cstring>' "$FILE"
+
       - name: Build
         run: |
           qmake6 . -r -spec win32-g++ "CONFIG+=release" "CONFIG+=rs_autologin" "CONFIG+=no_rs_sam3" "CONFIG+=no_rs_sam3_libsam3"
diff --git a/.github/workflows/ci-mingw64.yml b/.github/workflows/ci-mingw64.yml
index c3b9d345c..d5f6da868 100644
--- a/.github/workflows/ci-mingw64.yml
+++ b/.github/workflows/ci-mingw64.yml
@@ -64,6 +64,11 @@ jobs:
           git submodule update --init --remote libbitdht/ libretroshare/ retroshare-webui/
           git submodule update --init supportlibs/librnp supportlibs/rapidjson supportlibs/restbed
 
+      - name: Workaround librnp strlen build regression
+        run: |
+          FILE="supportlibs/librnp/src/lib/crypto/mem.cpp"
+          grep -q '#include <cstring>' "$FILE" || sed -i '/#include <cstdio>/a #include <cstring>' "$FILE"
+
       - name: CI-Build
         run: |
           qmake-qt5.exe . -r -spec win32-g++ "CONFIG+=release" "CONFIG+=rs_autologin" "CONFIG+=no_rs_sam3" "CONFIG+=no_rs_sam3_libsam3"
diff --git a/.github/workflows/ci-ucrt64.yml b/.github/workflows/ci-ucrt64.yml
index 4e7323d03..31ac053ec 100644
--- a/.github/workflows/ci-ucrt64.yml
+++ b/.github/workflows/ci-ucrt64.yml
@@ -64,6 +64,11 @@ jobs:
           git submodule update --init --remote libbitdht/ libretroshare/ retroshare-webui/
           git submodule update --init supportlibs/librnp supportlibs/rapidjson supportlibs/restbed
 
+      - name: Workaround librnp strlen build regression
+        run: |
+          FILE="supportlibs/librnp/src/lib/crypto/mem.cpp"
+          grep -q '#include <cstring>' "$FILE" || sed -i '/#include <cstdio>/a #include <cstring>' "$FILE"
+
       - name: CI-Build
         run: |
           qmake-qt5.exe . -r -spec win32-g++ "CONFIG+=release" "CONFIG+=rs_autologin" "CONFIG+=no_rs_sam3" "CONFIG+=no_rs_sam3_libsam3"
diff --git a/.github/workflows/ubuntu-qt5_c-cpp.yml b/.github/workflows/ubuntu-qt5_c-cpp.yml
index 4e2fa5a80..4cdb8a6f8 100644
--- a/.github/workflows/ubuntu-qt5_c-cpp.yml
+++ b/.github/workflows/ubuntu-qt5_c-cpp.yml
@@ -22,7 +22,7 @@ jobs:
     - name: run apt update
       run: sudo apt-get update
     - name: apt install
-      run: sudo apt-get install g++ cmake qt5-qmake qtmultimedia5-dev libqt5x11extras5-dev libasio-dev libbz2-dev libjson-c-dev libssl-dev libsqlcipher-dev libupnp-dev libxss-dev rapidjson-dev libbotan-2-dev doxygen libsecret-1-dev libxml2-dev libxslt1-dev libcurl4-openssl-dev
+      run: sudo apt-get install g++ cmake qt5-qmake qtmultimedia5-dev libqt5x11extras5-dev libasio-dev libbz2-dev libjson-c-dev libssl-dev libsqlcipher-dev libupnp-dev libxss-dev rapidjson-dev libbotan-2-dev doxygen libsecret-1-dev libxml2-dev libxslt1-dev libcurl4-openssl-dev libavcodec-dev libavutil-dev libspeex-dev libspeexdsp-dev
     - name: print working directory
       run: pwd && ls -la
     - name: qmake