diff --git a/Makefile b/Makefile
index 65b13df..afb3a3e 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,7 @@ cache-clean:
 
 get-dakota-src:
 	rm -rf dakota
-	git clone -j4 --branch v6.19.0 --depth 1 https://github.com/snl-dakota/dakota.git
+	git clone -j4 --branch v6.20.0 --depth 1 https://github.com/snl-dakota/dakota.git
 	cd dakota && \
 		git submodule update --init packages/external && \
 		git submodule update --init packages/pecos && \