diff --git a/cnoid/project/CMakeLists.txt b/cnoid/project/CMakeLists.txt
index 7e75f2b..f8bdfe8 100644
--- a/cnoid/project/CMakeLists.txt
+++ b/cnoid/project/CMakeLists.txt
@@ -1,3 +1,25 @@
+if(NOT ${CHOREONOID_USE_PYTHON2})
+  execute_process(
+    COMMAND python3 -c "import sysconfig; print(sysconfig.get_config_var(\"VERSION\"))"
+    OUTPUT_VARIABLE PYTHON_VERSION
+    RESULT_VARIABLE PYTHON_VERSION_SUCCESS
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+else()
+  execute_process(
+    COMMAND python2 -c "from distutils import sysconfig; print(sysconfig.get_config_var(\"VERSION\"))"
+    OUTPUT_VARIABLE PYTHON_VERSION
+    RESULT_VARIABLE PYTHON_VERSION_SUCCESS
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+endif()
+if(NOT PYTHON_VERSION_SUCCESS STREQUAL 0)
+  execute_process(
+    COMMAND python -c "from distutils import sysconfig; print(sysconfig.get_config_var(\"VERSION\"))"
+    OUTPUT_VARIABLE PYTHON_VERSION
+    RESULT_VARIABLE PYTHON_VERSION_SUCCESS
+    OUTPUT_STRIP_TRAILING_WHITESPACE)
+endif()
+message("-- Python version detected: ${PYTHON_VERSION}")
+
 set(LMC_CNOID_CONFIG_FILE_LIST
   rtc.conf.choreonoid
   robot.conf
diff --git a/cnoid/project/LMC_JVRC1_Cart.in.cnoid b/cnoid/project/LMC_JVRC1_Cart.in.cnoid
index 32ba659..3098323 100644
--- a/cnoid/project/LMC_JVRC1_Cart.in.cnoid
+++ b/cnoid/project/LMC_JVRC1_Cart.in.cnoid
@@ -534,7 +534,7 @@ OpenRTM:
   "deleteUnmanagedRTCsOnStartingSimulation": true
 Python: 
   "moduleSearchPath": 
-    - @HRPSYSBASE_PREFIX@/lib/python2.7/dist-packages/hrpsys
+    - @HRPSYSBASE_PREFIX@/lib/python@PYTHON_VERSION@/dist-packages/hrpsys
 viewAreas: 
   - 
     type: embedded
diff --git a/cnoid/project/LMC_JVRC1_CartHighFriction.in.cnoid b/cnoid/project/LMC_JVRC1_CartHighFriction.in.cnoid
index 9ff8fa6..207f0c3 100644
--- a/cnoid/project/LMC_JVRC1_CartHighFriction.in.cnoid
+++ b/cnoid/project/LMC_JVRC1_CartHighFriction.in.cnoid
@@ -534,7 +534,7 @@ OpenRTM:
   "deleteUnmanagedRTCsOnStartingSimulation": true
 Python: 
   "moduleSearchPath": 
-    - @HRPSYSBASE_PREFIX@/lib/python2.7/dist-packages/hrpsys
+    - @HRPSYSBASE_PREFIX@/lib/python@PYTHON_VERSION@/dist-packages/hrpsys
 viewAreas: 
   - 
     type: embedded