diff --git a/_about/acknowledging.md b/_about/acknowledging.md
index de73544f4..9f604928a 100644
--- a/_about/acknowledging.md
+++ b/_about/acknowledging.md
@@ -14,10 +14,12 @@ Papers, presentations, and other publications that feature research that benefit
 > 2. Sfiligoi, I., Bradley, D. C., Holzman, B., Mhashilkar, P., Padhi, S., & Wurthwein, F. (2009). The pilot way to grid resources using glideinWMS. 2009 WRI World Congress on Computer Science and Information Engineering, 2, 428–432. https://doi.org/10.1109/CSIE.2009.950
 >
 > 3. OSG. (2006). OSPool. OSG. https://doi.org/10.21231/906P-4D78
+> 
+> 4. OSG. (2015). Open Science Data Federation. OSG. https://doi.org/10.21231/0KVZ-VE57
 
 and include in the text the following acknowledgement:
 
 {: .bg-light .pt-2 .pb-1 }
-> This research was done using services provided by the OSG Consortium [1,2,3], which is supported by the National Science Foundation awards #2030508 and #1836650.
+> This research was done using services provided by the OSG Consortium [1,2,3,4], which is supported by the National Science Foundation awards #2030508 and #1836650.
 
 For your convenience, [a BibTex file containing the above three references](/assets/osg.bib) has been provided.
diff --git a/assets/osg.bib b/assets/osg.bib
index 4dd31427b..5e3553836 100644
--- a/assets/osg.bib
+++ b/assets/osg.bib
@@ -52,3 +52,12 @@ @misc{https://doi.org/10.21231/906p-4d78
   publisher = {OSG},
   year = {2006}
 }
+
+@misc{https://doi.org/10.21231/0kvz-ve57,
+  doi = {10.21231/0KVZ-VE57},
+  url = {https://osdf.osg-htc.org/},
+  author = {{OSG}},
+  title = {Open Science Data Federation},
+  publisher = {OSG},
+  year = {2015}
+}