diff --git a/alex-3.2.7.1.tar.gz b/alex-3.2.7.1.tar.gz
deleted file mode 100644
index 0164dd8..0000000
--- a/alex-3.2.7.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9bd2f1a27e8f1b2ffdb5b2fbd3ed82b6f0e85191459a1b24ffcbef4e68a81bec
-size 108229
diff --git a/alex-3.5.1.0.tar.gz b/alex-3.5.1.0.tar.gz
new file mode 100644
index 0000000..f56ecdd
--- /dev/null
+++ b/alex-3.5.1.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c92efe86f8eb959ee03be6c04ee57ebc7e4abc75a6c4b26551215d7443e92a07
+size 85982
diff --git a/ghc-bootstrap-helpers.changes b/ghc-bootstrap-helpers.changes
index 6d62795..c54b221 100644
--- a/ghc-bootstrap-helpers.changes
+++ b/ghc-bootstrap-helpers.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Mar 20 08:48:21 UTC 2024 - Ondřej Súkup <mimi.vx@gmail.com>
+
+- update alex to 3.5.1.0
+- upadate happy to 1.20.1.1
+
 -------------------------------------------------------------------
 Wed Aug  2 11:44:50 UTC 2023 - Andreas Schwab <schwab@suse.de>
 
diff --git a/ghc-bootstrap-helpers.spec b/ghc-bootstrap-helpers.spec
index db142b5..8f86aaa 100644
--- a/ghc-bootstrap-helpers.spec
+++ b/ghc-bootstrap-helpers.spec
@@ -16,11 +16,11 @@
 #
 
 
-%define         alex_ver 3.2.7.1
-%define         happy_ver 1.20.0
+%define         alex_ver 3.5.1.0
+%define         happy_ver 1.20.1.1
 
 Name:           ghc-bootstrap-helpers
-Version:        1.3
+Version:        1.4
 Release:        0
 Summary:        Dependencies to build ghc
 License:        BSD-2-Clause AND BSD-3-Clause
diff --git a/happy-1.20.0.tar.gz b/happy-1.20.0.tar.gz
deleted file mode 100644
index 2845308..0000000
--- a/happy-1.20.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3b1d3a8f93a2723b554d9f07b2cd136be1a7b2fcab1855b12b7aab5cbac8868c
-size 184515
diff --git a/happy-1.20.1.1.tar.gz b/happy-1.20.1.1.tar.gz
new file mode 100644
index 0000000..8a3a120
--- /dev/null
+++ b/happy-1.20.1.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b4e7dc5a6c5fd666f8f7163232931ab28746d0d17da8fa1cbd68be9e878881b
+size 183409