diff --git a/libslv2/configure.ac b/libslv2/configure.ac
index 50973e52..fb3ba51c 100644
--- a/libslv2/configure.ac
+++ b/libslv2/configure.ac
@@ -57,7 +57,7 @@ AC_MSG_RESULT($lv2dir)
 AC_SUBST(lv2dir)
 
 # Check for RASQAL
-PKG_CHECK_MODULES(RASQAL, rasqal >= 0.20, build_rasqal="yes", build_rasqal="no")
+PKG_CHECK_MODULES(RASQAL, rasqal >= 0.9.11, build_rasqal="yes", build_rasqal="no")
 AC_SUBST(JACK_CFLAGS)
 AC_SUBST(JACK_LIBS)