UIMA-6172
diff --git a/scriptators/tcl/Makefile b/scriptators/tcl/Makefile
index 29ab969..c944765 100644
--- a/scriptators/tcl/Makefile
+++ b/scriptators/tcl/Makefile
@@ -43,7 +43,7 @@
 USER_CFLAGS=-fPIC -g $(SWIGFLAGS) -I..
 
 #Use this var to pass additional user-defined parameters to the linker
-USER_LINKFLAGS=-g -ltcl8.4 -lpthread
+USER_LINKFLAGS=-g -ltcl8.5 -lpthread
 
 # Define the symbol DEBUG=1 if you want to build a debug version
 DEBUG=1