diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63811f878b..e81c32ea56 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 2.20.0 (2023-10-18)
+
+### Features
+
+- **core**: update swift sdk dependency version to 0.26.0 (#3248)
+
 ## 2.19.0 (2023-09-28)
 
 ### Features
diff --git a/Package.resolved b/Package.resolved
index 56f06fed2e..076be8464a 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -86,8 +86,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-collections",
       "state" : {
-        "revision" : "937e904258d22af6e447a0b72c0bc67583ef64a2",
-        "version" : "1.0.4"
+        "revision" : "a902f1823a7ff3c9ab2fba0f992396b948eda307",
+        "version" : "1.0.5"
       }
     },
     {