diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf83032..7a7f5b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -59,7 +59,7 @@ set(PROJECT_VERSION_NUMBER "${LIBRARY_VERSION_MAJOR_PAD}${LIBRARY_VERSION_MINOR_
 set(LIBRARY_VERSION "${LIBRARY_VERSION_MAJOR}.${LIBRARY_VERSION_MINOR}.${LIBRARY_VERSION_PATCH}")
 set(LIBRARY_SOVERSION "${LIBRARY_VERSION_MAJOR}.${LIBRARY_VERSION_MINOR}")
 set(ORCANIA_VERSION_REQUIRED "2.3.3")
-set(YDER_VERSION_REQUIRED "1.4.19")
+set(YDER_VERSION_REQUIRED "1.4.20")
 set(JANSSON_VERSION_REQUIRED "2.1")
 
 # cmake modules