diff --git a/README.md b/README.md
index c65ed8609..9640d75a9 100644
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+++ b/README.md
@@ -68,9 +68,9 @@ Paper: <https://doi.org/10.25344/S4459B>
 ### Caffeine is an implementation of the Parallel Runtime Interface for Fortran (PRIF):
 
 Dan Bonachea, Katherine Rasmussen, Brad Richardson, Damian Rouson.    
-"[**Parallel Runtime Interface for Fortran (PRIF) Specification, Revision 0.3**](https://github.com/BerkeleyLab/caffeine/wiki/pubs/PRIF_0.3.pdf)",     
-Lawrence Berkeley National Laboratory Technical Report (LBNL-2001590), May 2024.    
-<https://doi.org/10.25344/S4501W>
+"[**Parallel Runtime Interface for Fortran (PRIF) Specification, Revision 0.4**](https://github.com/BerkeleyLab/caffeine/wiki/pubs/PRIF_0.4.pdf)",     
+Lawrence Berkeley National Laboratory Technical Report (LBNL-2001604), July 2024.    
+<https://doi.org/10.25344/S4WG64>
 
 Documentation
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