diff --git a/ShellB3/shallbethree.sh b/ShellB3/shallbethree.sh
index 8797998305cc3dc1a3dd0d9f20b07c63c8715e2b..6e7bf2b7f04c37abf981bb795ed5d30f5048c95a 100755
--- a/ShellB3/shallbethree.sh
+++ b/ShellB3/shallbethree.sh
@@ -1347,7 +1347,7 @@ export BOTTLENECKVER=1.3.7
 export HDF4VER=4.2.15
 export PYHDFVER=0.10.5
 export PYYAMLVER=6.0.2
-export PYKDTREEVER=1.3.6
+export PYKDTREEVER=1.4.1
 #export PYKDTREEREF=c8599f4
 export PYRESAMPLEVER=1.26.1
 export PYINOTIFYVER=0.9.6
diff --git a/ShellB3/src/optional/pykdtree-1.4.1.tar.gz b/ShellB3/src/optional/pykdtree-1.4.1.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..1b3978838aeb72daf492d3f367b853e0ca2e64e4
--- /dev/null
+++ b/ShellB3/src/optional/pykdtree-1.4.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:10848ff6ac7332b68e65bf8c2e89667b6b62b075aad272347744a69bf1c8ad7e
+size 28315