diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 848e6e10..b2dfd277 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,13 +10,13 @@ on:
 
 jobs:
   build:
+    runs-on: ubuntu-20.04
     strategy:
+      fail-fast: false
       matrix:
-        os: [ ubuntu-20.04 ]
         smalltalk: [ GemStone64-3.7.0, GemStone64-3.5.8,  GemStone64-3.6.8 ]
-    runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: hpi-swa/setup-smalltalkCI@v1
         with:
           smalltalk-image: ${{ matrix.smalltalk }}
diff --git a/repository/Zinc-HTTP.package/ZnBivalentWriteStream.class/instance/next.putAll.startingAt..st b/repository/Zinc-HTTP.package/ZnBivalentWriteStream.class/instance/next.putAll.startingAt..st
index 4351ea0a..74e239b7 100644
--- a/repository/Zinc-HTTP.package/ZnBivalentWriteStream.class/instance/next.putAll.startingAt..st
+++ b/repository/Zinc-HTTP.package/ZnBivalentWriteStream.class/instance/next.putAll.startingAt..st
@@ -7,12 +7,12 @@ next: count putAll: collection startingAt: offset
 				ifTrue: [ stream next: count putAll: collection startingAt: offset ]
 				ifFalse: [ 
 					buffer := ByteArray new: count.
-					buffer replaceFrom: 1 to: count with: collection asByteArray startingAt: offset.
+					buffer replaceFrom: 1 to: count with: collection startingAt: offset.
 					stream nextPutAll: buffer ] ]
 		ifFalse: [ 
 			(collection isKindOf: ByteArray)
 				ifTrue: [ 
 					buffer := String new: count.
-					buffer replaceFrom: 1 to: count with: collection asString startingAt: offset.
+					buffer replaceFrom: 1 to: count with: collection startingAt: offset.
 					stream nextPutAll: buffer ]
 				ifFalse: [ stream next: count putAll: collection startingAt: offset ] ]
\ No newline at end of file