diff --git a/scheme/install-lib/install-lib-version.scm b/scheme/install-lib/install-lib-version.scm
index eb02997..63f3ba5 100644
--- a/scheme/install-lib/install-lib-version.scm
+++ b/scheme/install-lib/install-lib-version.scm
@@ -23,4 +23,4 @@
 ;; requested "major" number matches the one of the library, and the
 ;; requested "minor" is smaller or equal to the one of the library.
 
-(define install-lib-version '(1 1 0))
+(define install-lib-version '(1 1 1))