diff --git a/ShellB3/shallbethree.sh b/ShellB3/shallbethree.sh
index eabe154d439f8085a28d89e2763815b8c70aaff5..d0bae1141c94326171cf690bb002bc4888899dc6 100755
--- a/ShellB3/shallbethree.sh
+++ b/ShellB3/shallbethree.sh
@@ -579,7 +579,7 @@ export SODIUMVER=1.0.3
 
 export LLVMVER=3.6.2
 export LLVMLITEVER=0.8.0
-export NUMBAVER=0.22.0
+export NUMBAVER=0.21.0
 export ENUM34VER=1.0.4
 export POCLVER=0.11
 export REQUESTSVER=2.8.1
diff --git a/ShellB3/src/optional/numba-0.21.0.tar.gz b/ShellB3/src/optional/numba-0.21.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..652ac01170dd4045dcebb42fa82ab7ba77a24fcb
Binary files /dev/null and b/ShellB3/src/optional/numba-0.21.0.tar.gz differ
diff --git a/ShellB3/src/optional/numba-0.22.0.tar.gz b/ShellB3/src/optional/numba-0.22.0.tar.gz
deleted file mode 100644
index d837b49f100dffbaaed5f3ba9df01dfa13e734b6..0000000000000000000000000000000000000000
Binary files a/ShellB3/src/optional/numba-0.22.0.tar.gz and /dev/null differ