diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.installer.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.installer.yaml
similarity index 80%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.installer.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.installer.yaml
index 12864628e1685..b533975af9f3a 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.installer.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.installer.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.installer.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 InstallerType: exe
 Scope: user
 InstallModes:
@@ -14,10 +14,10 @@ InstallerSwitches:
 Protocols:
 - tandemhealth
 ProductCode: Tandem
-ReleaseDate: 2026-09-07
+ReleaseDate: 2026-09-21
 Installers:
 - Architecture: x64
   InstallerUrl: https://tandemhealth.blob.core.windows.net/tandem-public/native/Tandem-win-Setup.exe
-  InstallerSha256: 29EF56E89D5DE08CF7F61F148516E582DE0D42C2928298BBBFE533AC9B397964
+  InstallerSha256: 13B113D98AE81DD28773654A934438C48EC7EEB63737C70D10EBECDD0DB55D40
 ManifestType: installer
 ManifestVersion: 1.12.0
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.da.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.da.yaml
similarity index 96%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.da.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.da.yaml
index 496edfcf87b96..83dd59c08fecb 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.da.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.da.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: da
 PublisherUrl: https://tandemhealth.ai/da/
 PrivacyUrl: https://tandemhealth.ai/da/juridisk/privatlivspolitik
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.de.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.de.yaml
similarity index 96%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.de.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.de.yaml
index 99d709538567b..f079bd3a797e7 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.de.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.de.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: de
 PublisherUrl: https://tandemhealth.ai/de/
 PublisherSupportUrl: https://intercom-help.eu/tandem-eu/de/
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.en-US.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.en-US.yaml
similarity index 97%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.en-US.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.en-US.yaml
index e6cfd78d89881..dc7866f57de66 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.en-US.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.en-US.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.defaultLocale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: en-US
 Publisher: Tandem
 PublisherUrl: https://tandemhealth.ai/
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.es.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.es.yaml
similarity index 96%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.es.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.es.yaml
index 42267df2b04f1..c04b9605a7344 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.es.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.es.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: es
 PublisherUrl: https://tandemhealth.ai/es/
 PublisherSupportUrl: https://intercom-help.eu/tandem-eu/es/
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.et.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.et.yaml
similarity index 96%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.et.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.et.yaml
index 0d76025e836ef..c0cbcb34b7743 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.et.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.et.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: et
 PublisherUrl: https://tandemhealth.ai/et/
 PrivacyUrl: https://tandemhealth.ai/et/juriidiline/privacy-policy
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.fi.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.fi.yaml
similarity index 96%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.fi.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.fi.yaml
index f6dea13a3a7ad..a3949e91b49ae 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.fi.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.fi.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: fi
 PublisherUrl: https://tandemhealth.ai/fi/
 PrivacyUrl: https://tandemhealth.ai/fi/legal/tietosuoja
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.fr.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.fr.yaml
similarity index 97%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.fr.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.fr.yaml
index 3044ea5b7b77a..041ff9c143a87 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.fr.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.fr.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: fr
 PublisherUrl: https://tandemhealth.ai/fr/
 PublisherSupportUrl: https://intercom-help.eu/tandem-eu/fr/
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.nb-NO.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.nb-NO.yaml
similarity index 96%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.nb-NO.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.nb-NO.yaml
index 519d6ea7ae934..805da8f1d10c2 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.nb-NO.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.nb-NO.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: nb-NO
 PublisherUrl: https://tandemhealth.ai/no/
 PrivacyUrl: https://tandemhealth.ai/no/juridisk/personvern
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.sv.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.sv.yaml
similarity index 96%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.sv.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.sv.yaml
index 44c3e056528bc..f34bd4a6fd6c3 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.locale.sv.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.locale.sv.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.locale.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 PackageLocale: sv
 PublisherUrl: https://tandemhealth.ai/sv/
 PublisherSupportUrl: https://intercom-help.eu/tandem-eu/sv/
diff --git a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.yaml b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.yaml
similarity index 90%
rename from manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.yaml
rename to manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.yaml
index 6f3ecba257c80..bbd673dcc0517 100644
--- a/manifests/t/TandemHealth/Tandem/2026.9.7/TandemHealth.Tandem.yaml
+++ b/manifests/t/TandemHealth/Tandem/2026.9.21/TandemHealth.Tandem.yaml
@@ -2,7 +2,7 @@
 # yaml-language-server: $schema=https://aka.ms/winget-manifest.version.1.12.0.schema.json
 
 PackageIdentifier: TandemHealth.Tandem
-PackageVersion: 2026.9.7
+PackageVersion: 2026.9.21
 DefaultLocale: en-US
 ManifestType: version
 ManifestVersion: 1.12.0