diff --git a/Dockerfile.android b/Dockerfile.android
index 4d7a47b2..88f38c5b 100644
--- a/Dockerfile.android
+++ b/Dockerfile.android
@@ -43,8 +43,8 @@ RUN echo y | ${ANDROID_SDK_ROOT}/bin/sdkmanager --sdk_root=${ANDROID_SDK_ROOT} "
 ENV HOST_PATH=${PATH}
 ENV PATH=${TOOLCHAIN_DIR}/aarch64-linux-android/bin:${TOOLCHAIN_DIR}/bin:${PATH}
 
-ARG ZLIB_VERSION=1.2.13
-ARG ZLIB_HASH=b3a24de97a8fdbc835b9833169501030b8977031bcb54b3b3ac13740f846ab30
+ARG ZLIB_VERSION=1.3
+ARG ZLIB_HASH=ff0ba4c292013dbc27530b3a81e1f9a813cd39de01ca5e0f8bf355702efa593e
 RUN wget -q https://zlib.net/zlib-${ZLIB_VERSION}.tar.gz \
     && echo "${ZLIB_HASH}  zlib-${ZLIB_VERSION}.tar.gz" | sha256sum -c \
     && tar -xzf zlib-${ZLIB_VERSION}.tar.gz \
diff --git a/Dockerfile.linux b/Dockerfile.linux
index 1ece569e..99ac18b6 100644
--- a/Dockerfile.linux
+++ b/Dockerfile.linux
@@ -113,9 +113,9 @@ RUN git clone -b xkbcommon-0.5.0 --depth 1 https://github.com/xkbcommon/libxkbco
     make -j$THREADS install && \
     rm -rf $(pwd)
 
-RUN git clone -b v1.2.11 --depth 1 https://github.com/madler/zlib && \
+RUN git clone -b v1.3 --depth 1 https://github.com/madler/zlib && \
     cd zlib && \
-    git reset --hard cacf7f1d4e3d44d871b605da3b647f07d718623f && \
+    git reset --hard 09155eaa2f9270dc4ed1fa13e2b4b2613e6e4851 && \
     ./configure --static && \
     make -j$THREADS && \
     make -j$THREADS install && \