diff --git a/.circleci/config.yml b/.circleci/config.yml
index f754a4b1..50a7fa46 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,17 +4,21 @@
 version: 2.1
 
 executors:
+  node20:
+    docker:
+      - image: cimg/node:20.0.0
+    working_directory: ~/workspace
   node18:
     docker:
-      - image: cimg/node:18.0.0 # Latest 18.x
+      - image: cimg/node:18.0.0
     working_directory: ~/workspace
   node16:
     docker:
-      - image: cimg/node:16.14.2 # Latest 16.x
+      - image: cimg/node:16.14.2
     working_directory: ~/workspace
   node14:
     docker:
-      - image: cimg/node:14.17.4 # Latest 14.x
+      - image: cimg/node:14.17.4
     working_directory: ~/workspace
   node12_latest:
     docker:
@@ -97,6 +101,9 @@ workflows:
       - build:
           executor: node18
           name: build_node_18
+      - build:
+          executor: node20
+          name: build_node_20
       - build:
           executor: node16
           name: build_node_16
@@ -109,11 +116,16 @@ workflows:
       - build:
           executor: node12_17
           name: build_node_12_17
+      - test_node:
+          executor: node20
+          name: test_node_20
+          requires:
+            - build_node_20
       - test_node:
           executor: node18
           name: test_node_18
           requires:
-             - build_node_18
+            - build_node_18
       - test_node:
           executor: node16
           name: test_node_16
diff --git a/README.md b/README.md
index 4a59b498..64dfb0ed 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,13 @@ for information on writing specs, and [the FAQ](https://jasmine.github.io/pages/
 Jasmine tests itself across popular browsers (Safari, Chrome, Firefox, and
 Microsoft Edge) as well as Node.
 
-| Environment       | Supported versions |
-|-------------------|--------------------|
-| Node              | 12.17+, 14, 16, 18 |
-| Safari            | 14-16              |
-| Chrome            | Evergreen          |
-| Firefox           | Evergreen, 91, 102 |
-| Edge              | Evergreen          |
+| Environment       | Supported versions     |
+|-------------------|------------------------|
+| Node              | 12.17+, 14, 16, 18, 20 |
+| Safari            | 14-16                  |
+| Chrome            | Evergreen              |
+| Firefox           | Evergreen, 91, 102     |
+| Edge              | Evergreen              |
 
 For evergreen browsers, each version of Jasmine is tested against the version of the browser that is available to us
 at the time of release. Other browsers, as well as older & newer versions of some supported browsers, are likely to work.