diff --git a/bench/scripts/collection-strawman-cold.sh b/bench/scripts/collection-strawman-cold.sh
index a58783d37a19..0f96cb807cd1 100755
--- a/bench/scripts/collection-strawman-cold.sh
+++ b/bench/scripts/collection-strawman-cold.sh
@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-find collection-strawman/src/main/ -type f \( -name "*.scala" -or -name "*.java" \) -exec echo "dotty-bench-bootstrapped/jmh:run 0 1 10" {} + | sbt
+find collection-strawman/collections/src/main/ -type f \( -name "*.scala" -or -name "*.java" \) -exec echo "dotty-bench-bootstrapped/jmh:run 0 1 10" {} + | sbt
diff --git a/bench/scripts/collection-strawman.sh b/bench/scripts/collection-strawman.sh
index a7e6f5bbe2e2..df33a8ce3598 100755
--- a/bench/scripts/collection-strawman.sh
+++ b/bench/scripts/collection-strawman.sh
@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-find collection-strawman/src/main/ -type f \( -name "*.scala" -or -name "*.java" \) -exec echo "dotty-bench-bootstrapped/jmh:run" {} + | sbt
+find collection-strawman/collections/src/main/ -type f \( -name "*.scala" -or -name "*.java" \) -exec echo "dotty-bench-bootstrapped/jmh:run" {} + | sbt
diff --git a/collection-strawman b/collection-strawman
index 052a7d26ff33..abd20a60f730 160000
--- a/collection-strawman
+++ b/collection-strawman
@@ -1 +1 @@
-Subproject commit 052a7d26ff337824fb865d6c59eecf3dfe174bb6
+Subproject commit abd20a60f730ef478551ee68ed4326f8bf582dd8
diff --git a/compiler/test/dotty/tools/dotc/IdempotencyTests.scala b/compiler/test/dotty/tools/dotc/IdempotencyTests.scala
index 706c80d32524..5515e005b564 100644
--- a/compiler/test/dotty/tools/dotc/IdempotencyTests.scala
+++ b/compiler/test/dotty/tools/dotc/IdempotencyTests.scala
@@ -32,7 +32,7 @@ class IdempotencyTests extends ParallelTesting {
 
     def sourcesFrom(dir: Path) = CompilationTests.sources(Files.walk(dir))
 
-    val strawmanSources = sourcesFrom(Paths.get("../collection-strawman/src/main"))
+    val strawmanSources = sourcesFrom(Paths.get("../collection-strawman/collections/src/main"))
     val strawmanSourcesSorted = strawmanSources.sorted
     val strawmanSourcesRevSorted = strawmanSourcesSorted.reverse
 
diff --git a/compiler/test/dotty/tools/dotc/LinkOptimiseTests.scala b/compiler/test/dotty/tools/dotc/LinkOptimiseTests.scala
index 7aa2f0bcb651..f01582eaf32b 100644
--- a/compiler/test/dotty/tools/dotc/LinkOptimiseTests.scala
+++ b/compiler/test/dotty/tools/dotc/LinkOptimiseTests.scala
@@ -29,7 +29,7 @@ class LinkOptimiseTests extends ParallelTesting {
   @Test def linkOptimise: Unit = {
     // Setup and compile libraries
     def strawmanLibrary =
-      compileDir("../collection-strawman/src/main", defaultOptions)
+      compileDir("../collection-strawman/collections/src/main", defaultOptions)
     def linkCustomLib =
       compileDir("../tests/link/custom-lib", defaultOptions)