diff --git a/Dockerfile b/Dockerfile
index a8b9e8a..6ae25cf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ ENV LANG=C.UTF-8
 # Here we install GNU libc (aka glibc) and set C.UTF-8 locale as default.
 
 RUN ALPINE_GLIBC_BASE_URL="https://github.com/sgerrand/alpine-pkg-glibc/releases/download" && \
-    ALPINE_GLIBC_PACKAGE_VERSION="2.33-r0" && \
+    ALPINE_GLIBC_PACKAGE_VERSION="2.34-r0" && \
     ALPINE_GLIBC_BASE_PACKAGE_FILENAME="glibc-$ALPINE_GLIBC_PACKAGE_VERSION.apk" && \
     ALPINE_GLIBC_BIN_PACKAGE_FILENAME="glibc-bin-$ALPINE_GLIBC_PACKAGE_VERSION.apk" && \
     ALPINE_GLIBC_I18N_PACKAGE_FILENAME="glibc-i18n-$ALPINE_GLIBC_PACKAGE_VERSION.apk" && \