diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 02d4d69dfa..fba2d9c580 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,4 +1,4 @@
-# Version 2.4.0 (LLVM15-17) Pending
+# Version 2.4.0 (LLVM15-17) 2023-10-01
 
 ## Added
 * Bytecode stores source location info for debugging.
diff --git a/debian/changelog b/debian/changelog
index 6f7abbab24..d8b95aca2a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-clasp-cl (2.3.0) bookworm jammy; urgency=medium
+clasp-cl (2.4.0) bookworm jammy; urgency=medium
 
   * Initial release
 
diff --git a/repos.sexp b/repos.sexp
index 006e98abf0..5dd492bd06 100644
--- a/repos.sexp
+++ b/repos.sexp
@@ -219,15 +219,15 @@
  (:name :cando
   :repository "https://github.com/cando-developers/cando.git"
   :directory "extensions/cando/"
-  :branch "main"
+  :commit "3d4a3fcd5a19fe38dd949d7e3df11fed69660579"
   :extension :cando)
  (:name :seqan-clasp
   :repository "https://github.com/clasp-developers/seqan-clasp.git"
   :directory "extensions/seqan-clasp/"
-  :branch "main"
+  :commit "3970cef84b2045633d8d3fe9757a0c6d449fc345"
   :extension :seqan-clasp)
  (:name :seqan
   :repository "https://github.com/seqan/seqan.git"
   :directory "extensions/seqan-clasp/seqan/"
-  :branch "main"
+  :commit "e91c71dfbb9b4a4a0ffa9edd68dea67ee78d01e0"
   :extension :seqan-clasp))
diff --git a/version.sexp b/version.sexp
index 4f118b424f..b3c5ad2ffe 100644
--- a/version.sexp
+++ b/version.sexp
@@ -1 +1 @@
-(:version "2.3.0")
+(:version "2.4.0")