diff --git a/CHANGES.md b/CHANGES.md
index ad184c2..60b20ac 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,9 @@
+### 4.3.2 (2017-11-27)
+
+  * Added missing -lpthread linking flag to avoid problems with projects
+    that do not link with the OCaml threads library.
+
+
 ### 4.3.1 (2017-11-22)
 
   * Improved finalization of databases and statements for better performance
diff --git a/src/jbuild b/src/jbuild
index 627e383..68e70a7 100644
--- a/src/jbuild
+++ b/src/jbuild
@@ -13,7 +13,7 @@
     ; NOTE: for debugging before releases
     ; -Wall -pedantic -Wextra -Wunused -Wno-long-long -Wno-keyword-macro
   ))
-  (c_library_flags (:include c_library_flags.sexp))
+  (c_library_flags ((:include c_library_flags.sexp) -lpthread))
 ))
 
 (rule (