diff --git a/.gitignore b/.gitignore
index e351e29748b11365c5ea70e517a4e856ecec7e02..ecb83700cb4f01a8442484d33b4b02010c8592a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,3 @@ build/cluster/*
 build/sphere/*
 build/trapping/*
 doc/build/*
-containers/singularity/*.sif
diff --git a/containers/singularity/np-tmcode-run.sif b/containers/singularity/np-tmcode-run.sif
new file mode 100755
index 0000000000000000000000000000000000000000..26b865aa590a022035d0b3bb2b2bb7f4d384ab41
Binary files /dev/null and b/containers/singularity/np-tmcode-run.sif differ