diff --git a/configure.ac b/configure.ac
index 0a0897a..a4758b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -50,11 +50,11 @@
 AC_SUBST(LIBRARY_DLSYM)
 
 
-PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.4.0)
-PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm >= 1.4.0)
-PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.4.0)
-PKG_CHECK_MODULES(LIBOSMOCTRL, libosmoctrl >= 1.4.0)
-PKG_CHECK_MODULES(LIBOSMOGB, libosmogb >= 1.4.0)
+PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.5.0)
+PKG_CHECK_MODULES(LIBOSMOGSM, libosmogsm >= 1.5.0)
+PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.5.0)
+PKG_CHECK_MODULES(LIBOSMOCTRL, libosmoctrl >= 1.5.0)
+PKG_CHECK_MODULES(LIBOSMOGB, libosmogb >= 1.5.0)
 
 dnl checks for header files
 AC_HEADER_STDC