diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6993dd9e..55c844f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -97,15 +97,16 @@ jobs:
             CC: clang
  
           - BUILD_TYPE: Debug
-            PYTHON_VERSION: '3.10'
+            PYTHON_VERSION: '3.12'
             WITH_SYMPY: yes
-            WITH_LLVM: 14
+            WITH_LLVM: 18
             WITH_SCIPY: yes
             INTEGER_CLASS: 'boostmp'
             PYTEST_ADDOPTS: '-k "not integer_nthroot"'
-            OS: ubuntu-22.04
-            EXTRA_APT_REPOSITORY: 'deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-14 main'
-            EXTRA_APT_PACKAGES: 'llvm-14'
+            OS: ubuntu-24.04
+            CC: gcc  # ubuntu nobel uses gcc-13
+            #EXTRA_APT_REPOSITORY: 'deb http://apt.llvm.org/jammy/ llvm-toolchain-nobel-18 main'
+            EXTRA_APT_PACKAGES: 'llvm-18'
 
           - BUILD_TYPE: Debug
             PYTHON_VERSION: '3.8'
diff --git a/bin/test_symengine_unix.sh b/bin/test_symengine_unix.sh
index 976f305d..63e3f6ca 100644
--- a/bin/test_symengine_unix.sh
+++ b/bin/test_symengine_unix.sh
@@ -2,10 +2,10 @@ export PYTHON_SOURCE_DIR=`pwd`
 export TEST_CPP="no"
 export MAKEFLAGS="-j2"
 
-git clone https://github.com/symengine/symengine symengine-cpp
+git clone -b update-CI https://github.com/bjodah/symengine symengine-cpp
 cd symengine-cpp
 export SOURCE_DIR=`pwd`
-git checkout `cat ../symengine_version.txt`
+#git checkout `cat ../symengine_version.txt`
 cd ..
 
 # Setup travis for C++ library
diff --git a/symengine/lib/symengine_wrapper.in.pyx b/symengine/lib/symengine_wrapper.in.pyx
index 76b8288d..61cb4d6b 100644
--- a/symengine/lib/symengine_wrapper.in.pyx
+++ b/symengine/lib/symengine_wrapper.in.pyx
@@ -1214,7 +1214,7 @@ cdef class Basic(object):
         return int(float(self))
 
     def __long__(self):
-        return long(float(self))
+        return int(float(self))
 
     def __complex__(self):
         f = self.n(real=False)