diff --git a/.circleci/config.yml b/.circleci/config.yml
index fc0cd8900..bd21ec984 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -120,13 +120,13 @@ jobs:
         root: .
     environment:
     - CIRCLECI_CLI_VERSION: 0.1.5546
-    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.20
     - GO_TAGS: ''
     - GOFUMPT_VERSION: 0.3.1
     - GOTESTSUM_VERSION: 0.5.2
   test-go-remote-docker:
     docker:
-    - image: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - image: docker.mirror.hashicorp.services/cimg/go:1.20
     resource_class: medium
     working_directory: /home/circleci/go/src/github.com/hashicorp/vault
     parallelism: 8
@@ -352,7 +352,7 @@ jobs:
         path: /tmp/testlogs
     environment:
     - CIRCLECI_CLI_VERSION: 0.1.5546
-    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.20
     - GO_TAGS: ''
     - GOFUMPT_VERSION: 0.3.1
     - GOTESTSUM_VERSION: 0.5.2
@@ -396,13 +396,13 @@ jobs:
         name: make fmt
     environment:
     - CIRCLECI_CLI_VERSION: 0.1.5546
-    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.20
     - GO_TAGS: ''
     - GOFUMPT_VERSION: 0.3.1
     - GOTESTSUM_VERSION: 0.5.2
   test-go-race:
     docker:
-    - image: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - image: docker.mirror.hashicorp.services/cimg/go:1.20
     resource_class: xlarge
     working_directory: /home/circleci/go/src/github.com/hashicorp/vault
     parallelism: 8
@@ -618,13 +618,13 @@ jobs:
         path: /tmp/testlogs
     environment:
     - CIRCLECI_CLI_VERSION: 0.1.5546
-    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.20
     - GO_TAGS: ''
     - GOFUMPT_VERSION: 0.3.1
     - GOTESTSUM_VERSION: 0.5.2
   test-go:
     docker:
-    - image: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - image: docker.mirror.hashicorp.services/cimg/go:1.20
     resource_class: large
     working_directory: /home/circleci/go/src/github.com/hashicorp/vault
     parallelism: 8
@@ -840,7 +840,7 @@ jobs:
         path: /tmp/testlogs
     environment:
     - CIRCLECI_CLI_VERSION: 0.1.5546
-    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.20
     - GO_TAGS: ''
     - GOFUMPT_VERSION: 0.3.1
     - GOTESTSUM_VERSION: 0.5.2
@@ -947,13 +947,13 @@ jobs:
         - /home/circleci/go/pkg/mod
     environment:
     - CIRCLECI_CLI_VERSION: 0.1.5546
-    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.20
     - GO_TAGS: ''
     - GOFUMPT_VERSION: 0.3.1
     - GOTESTSUM_VERSION: 0.5.2
   test-go-race-remote-docker:
     docker:
-    - image: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - image: docker.mirror.hashicorp.services/cimg/go:1.20
     resource_class: medium
     working_directory: /home/circleci/go/src/github.com/hashicorp/vault
     parallelism: 8
@@ -1179,7 +1179,7 @@ jobs:
         path: /tmp/testlogs
     environment:
     - CIRCLECI_CLI_VERSION: 0.1.5546
-    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.19.4
+    - GO_IMAGE: docker.mirror.hashicorp.services/cimg/go:1.20
     - GO_TAGS: ''
     - GOFUMPT_VERSION: 0.3.1
     - GOTESTSUM_VERSION: 0.5.2
diff --git a/.circleci/config/executors/@executors.yml b/.circleci/config/executors/@executors.yml
index edf763921..3cba4dbbb 100644
--- a/.circleci/config/executors/@executors.yml
+++ b/.circleci/config/executors/@executors.yml
@@ -4,7 +4,7 @@ references:
     GOTESTSUM_VERSION: 0.5.2 # Pin gotestsum to patch version (ex: 1.2.3)
     GOFUMPT_VERSION: 0.3.1 # Pin gofumpt to patch version (ex: 1.2.3)
     GO_TAGS: ""
-    GO_IMAGE: &GO_IMAGE "docker.mirror.hashicorp.services/cimg/go:1.19.4"
+    GO_IMAGE: &GO_IMAGE "docker.mirror.hashicorp.services/cimg/go:1.20"
 go-machine:
   machine:
     image: ubuntu-2004:2022.10.1
diff --git a/.go-version b/.go-version
index 843f86353..5fb5a6b4f 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.19.4
+1.20
diff --git a/changelog/_go-ver-1130.txt b/changelog/_go-ver-1130.txt
index 588b90c05..c63e249c4 100644
--- a/changelog/_go-ver-1130.txt
+++ b/changelog/_go-ver-1130.txt
@@ -1,3 +1,3 @@
 ```release-note:change
-core: Bump Go version to 1.19.4.
+core: Bump Go version to 1.20.
 ```