diff --git a/README.md b/README.md
index 0b796de..4e1414f 100644
--- a/README.md
+++ b/README.md
@@ -262,7 +262,7 @@ See [contributing.md](/contributing.md) for timeline principles.
 
 #### Dependencies
 
--   D3.js v 7.4.4
+-   D3.js v 7.8.5
 
 (moment.js v2.29.1) deprecated from v1.10.
 
diff --git a/changelog.md b/changelog.md
index b830bfa..b19e95b 100644
--- a/changelog.md
+++ b/changelog.md
@@ -6,6 +6,7 @@
 -   Changed Salesforce API to v59.0 from v58.0
 -   Added the ability to plot today's date
 -   Added the ability to change the colour used for today's date
+-   d3.js updated to v7.8.5
 -   Documentation improvements
 
 **BUG FIXES**