diff --git a/pl_log.h b/pl_log.h
index ea59a9e..93cf555 100644
--- a/pl_log.h
+++ b/pl_log.h
@@ -13,8 +13,8 @@
 */
 
 // library version (format XYYZZ)
-#define PL_LOG_VERSION    "1.0.2"
-#define PL_LOG_VERSION_NUM 10002
+#define PL_LOG_VERSION    "1.0.0"
+#define PL_LOG_VERSION_NUM 10000
 
 /*
 Index of this file:
diff --git a/pl_string.h b/pl_string.h
index ab2383a..87bfa8c 100644
--- a/pl_string.h
+++ b/pl_string.h
@@ -15,8 +15,8 @@
 */
 
 // library version (format XYYZZ)
-#define PL_STRING_VERSION    "1.1.0"
-#define PL_STRING_VERSION_NUM 10100
+#define PL_STRING_VERSION    "1.0.0"
+#define PL_STRING_VERSION_NUM 10000
 
 /*
 Index of this file:
diff --git a/pl_test.h b/pl_test.h
index 78beaf9..5283291 100644
--- a/pl_test.h
+++ b/pl_test.h
@@ -17,8 +17,8 @@
 */
 
 // library version (format XYYZZ)
-#define PL_TEST_VERSION    "1.0.1"
-#define PL_TEST_VERSION_NUM 10001
+#define PL_TEST_VERSION    "1.0.0"
+#define PL_TEST_VERSION_NUM 10000
 
 /*
 Index of this file: