diff --git a/var/spack/repos/builtin/packages/nextflow/package.py b/var/spack/repos/builtin/packages/nextflow/package.py
index 05f21f70b7508ab91abf0014ba507d93ab26a97b..850775ceee543f6cae23966bd3b2eeccf35fb8fc 100644
--- a/var/spack/repos/builtin/packages/nextflow/package.py
+++ b/var/spack/repos/builtin/packages/nextflow/package.py
@@ -37,6 +37,8 @@ class Nextflow(Package):
             expand=False)
     version('0.20.1', '0e4e0e3eca1c2c97f9b4bffd944b923a',
             expand=False)
+    version('0.17.3', '5df00105fb1ce6fd0ba019ae735d9617',
+            expand=False)
 
     depends_on('jdk')