diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 99e4dd8..25d0393 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -1,3 +1,6 @@
+R1.1.0       Kukhee Kim (khkim)   01/29/2020
+       * build with cpsw/framework R4.4.1
+
 R1.0.2       Kukhee Kim (khkim)   09/20/1029
        * build with cpsw/framework R4.2.0
 
diff --git a/src/makefile b/src/makefile
index bfa272c..79abdef 100644
--- a/src/makefile
+++ b/src/makefile
@@ -4,7 +4,7 @@ CCACHE_DISABLE=1
 #LDFLAGS += -Wl,-Bstatic -static-libgcc
 #LDFLAGS += -Wl,-Bstatic
 #
-CPSW_DIR=/afs/slac/g/lcls/package/cpsw/framework/R4.2.0/src
+CPSW_DIR=/afs/slac/g/lcls/package/cpsw/framework/R4.4.1/src
 
 # may override CPSW_DIR / DEVICELIB_DIR from release.mak
 # must set SRCDIR (is redefined by recursive make)