diff --git a/assets/macos.Dockerfile b/assets/macos.Dockerfile
index 6fe3750..4e8e87a 100644
--- a/assets/macos.Dockerfile
+++ b/assets/macos.Dockerfile
@@ -19,9 +19,9 @@ RUN apt-get -y update && apt-get -y upgrade && apt-get -y install mercurial pyth
 # setup osx sdk
 RUN mkdir -p /osx-cross/MacOSX-SDKs &&\
     cd /osx-cross/MacOSX-SDKs &&\
-    wget -q "https://github.com/phracker/MacOSX-SDKs/releases/download/11.3/MacOSX11.3.sdk.tar.xz" &&\
-    tar xf MacOSX11.3.sdk.tar.xz &&\
-    rm -f MacOSX11.3.sdk.tar.xz
+    wget -q "https://github.com/phracker/MacOSX-SDKs/releases/download/13.0/MacOSX13.0.sdk.tar.xz" &&\
+    tar xf MacOSX13.0.sdk.tar.xz &&\
+    rm -f MacOSX13.0.sdk.tar.xz
 
 # run the bootstrap
 RUN wget -q -O librewolf-$version-$source_release.source.tar.gz https://gitlab.com/api/v4/projects/32320088/packages/generic/librewolf-source/$version-$source_release/librewolf-$version-$source_release.source.tar.gz
@@ -29,7 +29,7 @@ RUN tar xf librewolf-$version-$source_release.source.tar.gz
 WORKDIR librewolf-$version-$source_release
 RUN echo ac_add_options --target=$arch-apple-darwin > mozconfig
 RUN echo ac_add_options --enable-bootstrap >> mozconfig
-RUN echo ac_add_options --with-macos-sdk=/osx-cross/MacOSX-SDKs/MacOSX11.3.sdk >> mozconfig
+RUN echo ac_add_options --with-macos-sdk=/osx-cross/MacOSX-SDKs/MacOSX13.0.sdk >> mozconfig
 RUN MOZBUILD_STATE_PATH=$HOME/.mozbuild ./mach --no-interactive bootstrap --application-choice=browser
 RUN ./mach artifact toolchain --from-build linux64-libdmg
 RUN ./mach artifact toolchain --from-build linux64-cctools-port
diff --git a/assets/macos.mozconfig b/assets/macos.mozconfig
index 4fef1be..a70a064 100644
--- a/assets/macos.mozconfig
+++ b/assets/macos.mozconfig
@@ -2,7 +2,7 @@ ac_add_options --enable-application=browser
 
 # for crosscompiling...
 ac_add_options --target=_ARCH_-apple-darwin
-ac_add_options --with-macos-sdk=/osx-cross/MacOSX-SDKs/MacOSX11.3.sdk
+ac_add_options --with-macos-sdk=/osx-cross/MacOSX-SDKs/MacOSX13.0.sdk
 
 CROSS_BUILD=1
 export CROSS=/root/.mozbuild