diff --git a/paper/paper.bib b/paper/paper.bib
index 0b05be6..146156d 100644
--- a/paper/paper.bib
+++ b/paper/paper.bib
@@ -197,6 +197,7 @@ @fidgit{GMSO:2019
 year = {2019},
 publisher = {Github},
 url = {https://github.com/mosdef-hub/gmso},
+doi = {10.5281/zenodo.12533861},
 }
 
 # MoSDeF forcefield-utilities
@@ -206,6 +207,7 @@ @fidgit{forcefield-utilities:2022
 year = {2022},
 publisher = "Github",
 url = {https://github.com/mosdef-hub/forcefield-utilities},
+doi = {10.5281/zenodo.10494867},
 }
 
 # MoSDeF part 1