diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ffeced..9ee95f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,17 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Unreleased]
 
+## [v3.667.0] - 2026-06-15
+
+### Changed
+- Updated `v3-biometric-authentication-entry`
+- Updated `v3-biometric-enrollment-entry`
+- Updated `v3-biometric-kyc-entry`
+- Updated `v3-document-verification-entry`
+- Updated `v3-enhanced-document-verification-entry`
+- Updated `v3-smart-selfie-compare-entry`
+
+
 ## [v3.662.0] - 2026-06-15
 
 ### Changed
diff --git a/specs/v3/v3-biometric-authentication-entry.yaml b/specs/v3/v3-biometric-authentication-entry.yaml
index 0ef895a..e28f222 100644
--- a/specs/v3/v3-biometric-authentication-entry.yaml
+++ b/specs/v3/v3-biometric-authentication-entry.yaml
@@ -178,7 +178,7 @@ components:
             type: string
             format: binary
           description: >-
-            Array of 6–8 JPEG liveness images. Required unless use_enrolled_image is true.
+            Array of JPEG liveness images. Required unless use_enrolled_image is true.
         consent:
           $ref: '#/components/schemas/Consent'
         user_details:
diff --git a/specs/v3/v3-biometric-enrollment-entry.yaml b/specs/v3/v3-biometric-enrollment-entry.yaml
index cdfee54..a7a95ed 100644
--- a/specs/v3/v3-biometric-enrollment-entry.yaml
+++ b/specs/v3/v3-biometric-enrollment-entry.yaml
@@ -106,11 +106,6 @@ paths:
                   value:
                     status: Bad Request
                     message: "Required field 'selfie_image' is missing or invalid."
-                insufficientLiveness:
-                  summary: Too few liveness images
-                  value:
-                    status: Bad Request
-                    message: liveness_images must contain at least 6 images.
                 missingCallbackUrl:
                   summary: Missing callback_url and no default set
                   value:
@@ -227,7 +222,7 @@ components:
             type: string
             format: binary
           description: >-
-            Array of 6–8 JPEG liveness sequence images captured during the liveness check.
+            Array of JPEG liveness sequence images captured during the liveness check.
             These images are used for passive and active liveness verification.
         consent:
           $ref: '#/components/schemas/Consent'
diff --git a/specs/v3/v3-biometric-kyc-entry.yaml b/specs/v3/v3-biometric-kyc-entry.yaml
index fc2ca0e..e71b415 100644
--- a/specs/v3/v3-biometric-kyc-entry.yaml
+++ b/specs/v3/v3-biometric-kyc-entry.yaml
@@ -115,11 +115,6 @@ paths:
                   value:
                     status: Bad Request
                     message: "Required field 'selfie_image' is missing or invalid."
-                insufficientLiveness:
-                  summary: Too few liveness images
-                  value:
-                    status: Bad Request
-                    message: liveness_images must contain at least 6 images.
                 missingCallbackUrl:
                   summary: Missing callback_url and no default set
                   value:
@@ -254,7 +249,7 @@ components:
             type: string
             format: binary
           description: >-
-            Array of 6–8 JPEG liveness sequence images captured during the liveness check.
+            Array of JPEG liveness sequence images captured during the liveness check.
             These images are used for passive and active liveness verification.
         consent:
           $ref: '#/components/schemas/Consent'
diff --git a/specs/v3/v3-document-verification-entry.yaml b/specs/v3/v3-document-verification-entry.yaml
index 9b036a9..78edb7b 100644
--- a/specs/v3/v3-document-verification-entry.yaml
+++ b/specs/v3/v3-document-verification-entry.yaml
@@ -125,11 +125,6 @@ paths:
                   value:
                     status: Bad Request
                     message: "Required field 'selfie_image' is missing or invalid."
-                insufficientLiveness:
-                  summary: Too few liveness images
-                  value:
-                    status: Bad Request
-                    message: liveness_images must contain at least 6 images.
                 missingCallbackUrl:
                   summary: Missing callback_url and no default set
                   value:
@@ -258,7 +253,7 @@ components:
             type: string
             format: binary
           description: >-
-            Array of 6–8 JPEG liveness sequence images captured during the liveness check.
+            Array of JPEG liveness sequence images captured during the liveness check.
             These images are used for liveness verification.
         document:
           type: string
diff --git a/specs/v3/v3-enhanced-document-verification-entry.yaml b/specs/v3/v3-enhanced-document-verification-entry.yaml
index 7d2e457..6d8f49a 100644
--- a/specs/v3/v3-enhanced-document-verification-entry.yaml
+++ b/specs/v3/v3-enhanced-document-verification-entry.yaml
@@ -130,11 +130,6 @@ paths:
                   value:
                     status: Bad Request
                     message: "Required field 'selfie_image' is missing or invalid."
-                insufficientLiveness:
-                  summary: Too few liveness images
-                  value:
-                    status: Bad Request
-                    message: liveness_images must contain at least 6 images.
                 missingCallbackUrl:
                   summary: Missing callback_url and no default set
                   value:
@@ -269,7 +264,7 @@ components:
             type: string
             format: binary
           description: >-
-            Array of 6–8 JPEG liveness sequence images captured during the liveness check.
+            Array of JPEG liveness sequence images captured during the liveness check.
             These images are used for liveness verification.
         document:
           type: string
diff --git a/specs/v3/v3-smart-selfie-compare-entry.yaml b/specs/v3/v3-smart-selfie-compare-entry.yaml
index a038ac5..a700ebb 100644
--- a/specs/v3/v3-smart-selfie-compare-entry.yaml
+++ b/specs/v3/v3-smart-selfie-compare-entry.yaml
@@ -225,7 +225,7 @@ components:
             type: string
             format: binary
           description: >-
-            Optional array of 6–8 JPEG liveness images. If omitted, active liveness check
+            Optional array of JPEG liveness images. If omitted, active liveness check
             is skipped.
         allow_new_enroll:
           type: boolean