diff --git a/.ci/scripts/unittest-linux-cmake.sh b/.ci/scripts/unittest-linux-cmake.sh
index 0b3653e9b71..d7943eae121 100755
--- a/.ci/scripts/unittest-linux-cmake.sh
+++ b/.ci/scripts/unittest-linux-cmake.sh
@@ -19,6 +19,8 @@ if ! python -c "import tosa_serializer" >/dev/null 2>&1; then
     TOSA_SERIALIZATION_DIR="${TOSA_TOOLS_DIR}/serialization"
   fi
 
+  # NOTE: Will be removed when tosa-tools is installed via pypi
+  python -m pip install pybind11==2.10.4
   CMAKE_POLICY_VERSION_MINIMUM=3.5 BUILD_PYBIND=1 \
     python -m pip install --no-dependencies \
     "${TOSA_SERIALIZATION_DIR}"
diff --git a/backends/arm/requirements-arm-tosa.txt b/backends/arm/requirements-arm-tosa.txt
index adf32261568..7588fd44efa 100644
--- a/backends/arm/requirements-arm-tosa.txt
+++ b/backends/arm/requirements-arm-tosa.txt
@@ -7,3 +7,5 @@ ml_dtypes == 0.5.1
 flatbuffers == 24.3.25
 tosa-adapter-model-explorer == 0.1.0
 ai-edge-model-explorer >= 0.1.16
+# NOTE: Will be removed when tosa-tools is installed via pypi
+pybind11 == 2.10.4