diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 59a9283..91b45f0 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -129,7 +129,7 @@ jobs:
 
       - name: Build
         run: |
-          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
+          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib:/usr/local/lib/x86_64-linux-gnu
 
           mkdir -p build
           cd build
@@ -148,7 +148,7 @@ jobs:
 
       - name: Test
         run: |
-          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
+          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib:/usr/local/lib/x86_64-linux-gnu
 
           # use etcd v3 api
           export ETCDCTL_API="3"
@@ -171,7 +171,7 @@ jobs:
 
       - name: Authentication Test
         run: |
-          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
+          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib:/usr/local/lib/x86_64-linux-gnu
 
           # use etcd v3 api
           export ETCDCTL_API="3"
@@ -212,7 +212,7 @@ jobs:
 
       - name: Transport Security and Authentication Test
         run: |
-          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
+          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib:/usr/local/lib/x86_64-linux-gnu
 
           # use etcd v3 api
           export ETCDCTL_API="3"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9607774..721f989 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ option(BUILD_ETCD_TESTS "Build test cases" OFF)
 
 # reference: https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/RPATH-handling#always-full-rpath
 set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
-set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib:${CMAKE_INSTALL_PREFIX}/lib64")
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib:${CMAKE_INSTALL_PREFIX}/lib64:${CMAKE_INSTALL_PREFIX}/lib/x86_64-linux-gnu")
 set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
 
 if(MSVC)