diff --git a/.github/workflows/config.yml b/.github/workflows/config.yml
index 1f808135..b5455c9f 100644
--- a/.github/workflows/config.yml
+++ b/.github/workflows/config.yml
@@ -206,6 +206,7 @@ jobs:
           - runs-on: macos-15-intel  # Intel (x64)
           - runs-on: macos-14  # ARM64 (Apple Silicon)
           - runs-on: macos-15  # ARM64 (Apple Silicon)
+          - runs-on: macos-26  # ARM64 (Apple Silicon)
       fail-fast: false
     runs-on: ${{ matrix.runs-on }}
     timeout-minutes: 60
diff --git a/Makefile b/Makefile
index 23bd0637..661e8872 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 all: eus-installed irteus-installed manuals bashrc.eus
 
-GIT_EUSURL ?= http://github.com/euslisp/EusLisp
-GIT_EUSBRANCH ?= master
+GIT_EUSURL ?= http://github.com/iory/EusLisp
+GIT_EUSBRANCH ?= fix-dlsym-symbol-conflict
 
 EUSC_PATCH=eus.c_CUSTUM_EUSDIR.patch