diff --git a/cabal.project b/cabal.project
index d87f7aca12..e201ebc320 100644
--- a/cabal.project
+++ b/cabal.project
@@ -9,7 +9,7 @@ constraints: zip +disable-bzip2 +disable-zstd
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/simplexmq.git
-    tag: a5fed340e2814a226180ce1abe606ac79366fe5b
+    tag: 1a0c4b73de5cda4ac6765dd47e0199238e498d5f
 
 source-repository-package
     type: git
diff --git a/package.yaml b/package.yaml
index 2bfb36d18d..2166f0c9e1 100644
--- a/package.yaml
+++ b/package.yaml
@@ -31,7 +31,7 @@ dependencies:
   - exceptions == 0.10.*
   - filepath == 1.4.*
   - http-types == 0.12.*
-  - http2 == 4.1.*
+  - http2 >= 4.2.2 && < 4.3
   - memory == 0.18.*
   - mtl == 2.3.*
   - network >= 3.1.2.7 && < 3.2
diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index 9b8d3d5f4b..ce443e2c3f 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,5 +1,5 @@
 {
-  "https://github.com/simplex-chat/simplexmq.git"."a5fed340e2814a226180ce1abe606ac79366fe5b" = "18sj1499rfb35wsgb9gbr3q99flhw650jm0wnn1iw42m9f17vwbn";
+  "https://github.com/simplex-chat/simplexmq.git"."1a0c4b73de5cda4ac6765dd47e0199238e498d5f" = "12xpr2lxw9rr3v2bz5m5g9bb0kj7c5yyan47w0nnp52gzfs4pff0";
   "https://github.com/simplex-chat/hs-socks.git"."a30cc7a79a08d8108316094f8f2f82a0c5e1ac51" = "0yasvnr7g91k76mjkamvzab2kvlb1g5pspjyjn2fr6v83swjhj38";
   "https://github.com/kazu-yamamoto/http2.git"."f5525b755ff2418e6e6ecc69e877363b0d0bcaeb" = "0fyx0047gvhm99ilp212mmz37j84cwrfnpmssib5dw363fyb88b6";
   "https://github.com/simplex-chat/direct-sqlcipher.git"."f814ee68b16a9447fbb467ccc8f29bdd3546bfd9" = "0kiwhvml42g9anw4d2v0zd1fpc790pj9syg5x3ik4l97fnkbbwpp";
diff --git a/simplex-chat.cabal b/simplex-chat.cabal
index 2dc77c3c22..5b2a59e297 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -179,7 +179,7 @@ library
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , http2 ==4.1.*
+    , http2 >=4.2.2 && <4.3
     , memory ==0.18.*
     , mtl ==2.3.*
     , network >=3.1.2.7 && <3.2
@@ -231,7 +231,7 @@ executable simplex-bot
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , http2 ==4.1.*
+    , http2 >=4.2.2 && <4.3
     , memory ==0.18.*
     , mtl ==2.3.*
     , network >=3.1.2.7 && <3.2
@@ -284,7 +284,7 @@ executable simplex-bot-advanced
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , http2 ==4.1.*
+    , http2 >=4.2.2 && <4.3
     , memory ==0.18.*
     , mtl ==2.3.*
     , network >=3.1.2.7 && <3.2
@@ -339,7 +339,7 @@ executable simplex-broadcast-bot
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , http2 ==4.1.*
+    , http2 >=4.2.2 && <4.3
     , memory ==0.18.*
     , mtl ==2.3.*
     , network >=3.1.2.7 && <3.2
@@ -393,7 +393,7 @@ executable simplex-chat
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , http2 ==4.1.*
+    , http2 >=4.2.2 && <4.3
     , memory ==0.18.*
     , mtl ==2.3.*
     , network ==3.1.*
@@ -451,7 +451,7 @@ executable simplex-directory-service
     , exceptions ==0.10.*
     , filepath ==1.4.*
     , http-types ==0.12.*
-    , http2 ==4.1.*
+    , http2 >=4.2.2 && <4.3
     , memory ==0.18.*
     , mtl ==2.3.*
     , network >=3.1.2.7 && <3.2
@@ -535,7 +535,7 @@ test-suite simplex-chat-test
     , generic-random ==1.5.*
     , hspec ==2.11.*
     , http-types ==0.12.*
-    , http2 ==4.1.*
+    , http2 >=4.2.2 && <4.3
     , memory ==0.18.*
     , mtl ==2.3.*
     , network ==3.1.*
diff --git a/stack.yaml b/stack.yaml
index fe6771b5cd..9043a56952 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -49,7 +49,7 @@ extra-deps:
   # - simplexmq-1.0.0@sha256:34b2004728ae396e3ae449cd090ba7410781e2b3cefc59259915f4ca5daa9ea8,8561
   # - ../simplexmq
   - github: simplex-chat/simplexmq
-    commit: a5fed340e2814a226180ce1abe606ac79366fe5b
+    commit: 1a0c4b73de5cda4ac6765dd47e0199238e498d5f
   - github: kazu-yamamoto/http2
     commit: f5525b755ff2418e6e6ecc69e877363b0d0bcaeb
   # - ../direct-sqlcipher