diff --git a/External/tely b/External/tely
index 8e97ea5..0f0922f 160000
--- a/External/tely
+++ b/External/tely
@@ -1 +1 @@
-Subproject commit 8e97ea5ded48e172c6b7520254fe107f70ea08b1
+Subproject commit 0f0922f439d3cfdeba39ba96ba324a94f15c50f3
diff --git a/build.sh b/build.sh
index edaadbc..173237b 100755
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,7 @@ git rev-list --count HEAD>> feely_pona_version.txt
 # Bootstrap the build program
 mkdir --parents ${build_dir}
 pushd ${build_dir}
-g++ -g -Wall -o feely_pona_build ${code_dir}/feely_pona_build.cpp -lm
+g++ -g -Wall -o feely_pona_build ${code_dir}/feely_pona_build.cpp -lm -lpthread
 cp --force feely_pona_build ${code_dir}
 popd