diff --git a/var/spack/repos/builtin/packages/py-sip/package.py b/var/spack/repos/builtin/packages/py-sip/package.py
index 4b625d8f3fc7b3fcf2d0160197b0d59f8e8a8653..09c6b743b1452a90a337312e4ffa2e11a3daee16 100644
--- a/var/spack/repos/builtin/packages/py-sip/package.py
+++ b/var/spack/repos/builtin/packages/py-sip/package.py
@@ -17,6 +17,7 @@ class PySip(Package):
 
     version('develop', hg=hg)  # wasn't actually able to clone this
     version('4.19.18', sha256='c0bd863800ed9b15dcad477c4017cdb73fa805c25908b0240564add74d697e1e')
+    version('4.19.15', sha256='2b5c0b2c0266b467b365c21376d50dde61a3236722ab87ff1e8dacec283eb610')
     version('4.19.13', sha256='e353a7056599bf5fbd5d3ff9842a6ab2ea3cf4e0304a0f925ec5862907c0d15e')
 
     variant('module', default='sip', description='Name of private SIP module',