diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index e3d4cf96bf3..c6c13c3817e 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.26.4-rc4
+current_version = 0.26.4
 commit = true
 tag = true
 tag_name = {new_version}
diff --git a/.circleci/real_config.yml b/.circleci/real_config.yml
index 29ceb7b2646..efb6b6905d2 100644
--- a/.circleci/real_config.yml
+++ b/.circleci/real_config.yml
@@ -25,7 +25,7 @@ executors:
 parameters:
   det-version:
     type: string
-    default: 0.26.4-rc4
+    default: 0.26.4
   docker-image:
     type: string
     default: determinedai/cimg-base:latest
diff --git a/VERSION b/VERSION
index 29b30ebe418..c5a29730863 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.26.4-rc4
\ No newline at end of file
+0.26.4
\ No newline at end of file
diff --git a/docs/_static/version-switcher/versions.json b/docs/_static/version-switcher/versions.json
index aa6916c1798..c7ab798bb2c 100644
--- a/docs/_static/version-switcher/versions.json
+++ b/docs/_static/version-switcher/versions.json
@@ -1,6 +1,6 @@
 [
     {
-        "version": "0.26.4-rc4",
+        "version": "0.26.4",
         "url": "https://docs.determined.ai/latest/"
     },
     {
diff --git a/harness/determined/__version__.py b/harness/determined/__version__.py
index 90bf89f7dc3..be9b441a9de 100644
--- a/harness/determined/__version__.py
+++ b/harness/determined/__version__.py
@@ -1 +1 @@
-__version__ = "0.26.4-rc4"
+__version__ = "0.26.4"
diff --git a/harness/determined/deploy/aws/templates/efs.yaml b/harness/determined/deploy/aws/templates/efs.yaml
index 57c9ec45cc5..e3994f5d26d 100644
--- a/harness/determined/deploy/aws/templates/efs.yaml
+++ b/harness/determined/deploy/aws/templates/efs.yaml
@@ -101,7 +101,7 @@ Parameters:
   Version:
     Type: String
     Description: Determined version or commit for master image
-    Default: 0.26.4-rc4
+    Default: 0.26.4
 
   DBPassword:
     Type: String
diff --git a/harness/determined/deploy/aws/templates/fsx.yaml b/harness/determined/deploy/aws/templates/fsx.yaml
index 4dccce4f144..4e59f384072 100644
--- a/harness/determined/deploy/aws/templates/fsx.yaml
+++ b/harness/determined/deploy/aws/templates/fsx.yaml
@@ -101,7 +101,7 @@ Parameters:
   Version:
     Type: String
     Description: Determined version or commit for master image
-    Default: 0.26.4-rc4
+    Default: 0.26.4
 
   DBPassword:
     Type: String
diff --git a/harness/determined/deploy/aws/templates/govcloud.yaml b/harness/determined/deploy/aws/templates/govcloud.yaml
index 586f657083c..db62b3015c5 100644
--- a/harness/determined/deploy/aws/templates/govcloud.yaml
+++ b/harness/determined/deploy/aws/templates/govcloud.yaml
@@ -67,7 +67,7 @@ Parameters:
   Version:
     Type: String
     Description: Determined version or commit for master docker image
-    Default: 0.26.4-rc4
+    Default: 0.26.4
 
   DBPassword:
     Type: String
diff --git a/harness/determined/deploy/aws/templates/lore.yaml b/harness/determined/deploy/aws/templates/lore.yaml
index 9e95d9ba120..8cfafe320cd 100644
--- a/harness/determined/deploy/aws/templates/lore.yaml
+++ b/harness/determined/deploy/aws/templates/lore.yaml
@@ -101,7 +101,7 @@ Parameters:
   Version:
     Type: String
     Description: Determined version or commit for master image
-    Default: 0.26.4-rc4
+    Default: 0.26.4
 
   DBPassword:
     Type: String
diff --git a/harness/determined/deploy/aws/templates/secure.yaml b/harness/determined/deploy/aws/templates/secure.yaml
index 6c994257165..fccf25a3831 100644
--- a/harness/determined/deploy/aws/templates/secure.yaml
+++ b/harness/determined/deploy/aws/templates/secure.yaml
@@ -122,7 +122,7 @@ Parameters:
   Version:
     Type: String
     Description: Determined version or commit for master image
-    Default: 0.26.4-rc4
+    Default: 0.26.4
 
   DBPassword:
     Type: String
diff --git a/harness/determined/deploy/aws/templates/simple-rds.yaml b/harness/determined/deploy/aws/templates/simple-rds.yaml
index b3f3abfa41b..77d88702528 100644
--- a/harness/determined/deploy/aws/templates/simple-rds.yaml
+++ b/harness/determined/deploy/aws/templates/simple-rds.yaml
@@ -93,7 +93,7 @@ Parameters:
   Version:
     Type: String
     Description: Determined version or commit for master docker image
-    Default: 0.26.4-rc4
+    Default: 0.26.4
 
   DBPassword:
     Type: String
diff --git a/harness/determined/deploy/aws/templates/simple.yaml b/harness/determined/deploy/aws/templates/simple.yaml
index 0e0be04bc5b..a8dcae806cf 100644
--- a/harness/determined/deploy/aws/templates/simple.yaml
+++ b/harness/determined/deploy/aws/templates/simple.yaml
@@ -93,7 +93,7 @@ Parameters:
   Version:
     Type: String
     Description: Determined version or commit for master docker image
-    Default: 0.26.4-rc4
+    Default: 0.26.4
 
   DBPassword:
     Type: String
diff --git a/harness/setup.py b/harness/setup.py
index 9e14c9153e6..ed449848129 100644
--- a/harness/setup.py
+++ b/harness/setup.py
@@ -2,7 +2,7 @@
 
 setuptools.setup(
     name="determined",
-    version="0.26.4-rc4",
+    version="0.26.4",
     author="Determined AI",
     author_email="hello@determined.ai",
     url="https://determined.ai/",
diff --git a/helm/charts/determined/Chart.yaml b/helm/charts/determined/Chart.yaml
index 0d733d79881..3b8a3dba171 100644
--- a/helm/charts/determined/Chart.yaml
+++ b/helm/charts/determined/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v1
 name: determined
 description: A Helm chart for Determined
-version: "0.26.4-rc4"
+version: "0.26.4"
 icon: https://github.com/determined-ai/determined/blob/master/determined-logo.png?raw=true
 home: https://github.com/determined-ai/determined.git
 
@@ -9,4 +9,4 @@ home: https://github.com/determined-ai/determined.git
 # If using a non-release version (e.g., X.Y.Z.dev0) you will have to specify an
 # existing official release version (e.g., X.Y.Z) or specify a commit has
 # that has been publicly published (all commits from master).
-appVersion: "0.26.4-rc4"
+appVersion: "0.26.4"
diff --git a/model_hub/model_hub/__version__.py b/model_hub/model_hub/__version__.py
index 90bf89f7dc3..be9b441a9de 100644
--- a/model_hub/model_hub/__version__.py
+++ b/model_hub/model_hub/__version__.py
@@ -1 +1 @@
-__version__ = "0.26.4-rc4"
+__version__ = "0.26.4"
diff --git a/model_hub/setup.py b/model_hub/setup.py
index 91dadbb48a1..848d4466f36 100644
--- a/model_hub/setup.py
+++ b/model_hub/setup.py
@@ -2,7 +2,7 @@
 
 setuptools.setup(
     name="model-hub",
-    version="0.26.4-rc4",
+    version="0.26.4",
     author="Determined AI",
     author_email="hello@determined.ai",
     url="https://determined.ai/",
diff --git a/webui/react/vite.config.mts b/webui/react/vite.config.mts
index b718e279c07..39cc5b19bfb 100644
--- a/webui/react/vite.config.mts
+++ b/webui/react/vite.config.mts
@@ -87,7 +87,7 @@ export default defineConfig(({ mode }) => ({
     'process.env.IS_DEV': JSON.stringify(mode === 'development'),
     'process.env.PUBLIC_URL': JSON.stringify((mode !== 'test' && publicUrl) || ''),
     'process.env.SERVER_ADDRESS': JSON.stringify(process.env.SERVER_ADDRESS),
-    'process.env.VERSION': '"0.26.4-rc4"',
+    'process.env.VERSION': '"0.26.4"',
   },
   optimizeDeps: {
     include: ['notebook'],