diff --git a/Dockerfile b/Dockerfile
index 6c60195f97..7b9641777a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ RUN cp ./scripts/cabal.project.local.linux ./cabal.project.local
 
 # Compile simplex-chat
 RUN cabal update
-RUN cabal build exe:simplex-chat
+RUN cabal build exe:simplex-chat --constraint 'simplexmq +client_library'
 
 # Strip the binary from debug symbols to reduce size
 RUN bin=$(find /project/dist-newstyle -name "simplex-chat" -type f -executable) && \
diff --git a/cabal.project b/cabal.project
index e98f8122d0..f660848769 100644
--- a/cabal.project
+++ b/cabal.project
@@ -12,7 +12,7 @@ constraints: zip +disable-bzip2 +disable-zstd
 source-repository-package
     type: git
     location: https://github.com/simplex-chat/simplexmq.git
-    tag: a8471eed5be93e7c3741aa4742b24193c9a2d6f5
+    tag: 8a9d4f2af768d5d6a2b60c00d507529242f9b984
 
 source-repository-package
     type: git
diff --git a/flake.nix b/flake.nix
index 64b624e674..05859ce563 100644
--- a/flake.nix
+++ b/flake.nix
@@ -165,6 +165,7 @@
                   packages.direct-sqlcipher.patches = [
                     ./scripts/nix/direct-sqlcipher-android-log.patch
                   ];
+                  packages.simplexmq.flags.client_library = true;
                   packages.simplexmq.components.library.libs = pkgs.lib.mkForce [
                     (android32Pkgs.openssl.override { static = true; enableKTLS = false; })
                   ];
@@ -229,6 +230,7 @@
                   packages.direct-sqlcipher.patches = [
                     ./scripts/nix/direct-sqlcipher-android-log.patch
                   ];
+                  packages.simplexmq.flags.client_library = true;
                   packages.simplexmq.components.library.libs = pkgs.lib.mkForce [
                     (androidPkgs.openssl.override { static = true; })
                   ];
@@ -295,6 +297,7 @@
                   packages.simplexmq.flags.swift = true;
                   packages.direct-sqlcipher.flags.commoncrypto = true;
                   packages.entropy.flags.DoNotGetEntropy = true;
+                  packages.simplexmq.flags.client_library = true;
                   packages.simplexmq.components.library.libs = pkgs.lib.mkForce [
                     (pkgs.openssl.override { static = true; })
                   ];
@@ -308,6 +311,7 @@
                 extra-modules = [{
                   packages.direct-sqlcipher.flags.commoncrypto = true;
                   packages.entropy.flags.DoNotGetEntropy = true;
+                  packages.simplexmq.flags.client_library = true;
                   packages.simplexmq.components.library.libs = pkgs.lib.mkForce [
                     ((pkgs.openssl.override { static = true; }).overrideDerivation (old: { CFLAGS = "-mcpu=apple-a7 -march=armv8-a+norcpc" ;}))
                   ];
@@ -325,6 +329,7 @@
                   packages.simplexmq.flags.swift = true;
                   packages.direct-sqlcipher.flags.commoncrypto = true;
                   packages.entropy.flags.DoNotGetEntropy = true;
+                  packages.simplexmq.flags.client_library = true;
                   packages.simplexmq.components.library.libs = pkgs.lib.mkForce [
                     (pkgs.openssl.override { static = true; })
                   ];
@@ -338,6 +343,7 @@
                 extra-modules = [{
                   packages.direct-sqlcipher.flags.commoncrypto = true;
                   packages.entropy.flags.DoNotGetEntropy = true;
+                  packages.simplexmq.flags.client_library = true;
                   packages.simplexmq.components.library.libs = pkgs.lib.mkForce [
                     (pkgs.openssl.override { static = true; })
                   ];
diff --git a/scripts/desktop/build-lib-linux.sh b/scripts/desktop/build-lib-linux.sh
index 3aaa9c4d17..c8f887a9af 100755
--- a/scripts/desktop/build-lib-linux.sh
+++ b/scripts/desktop/build-lib-linux.sh
@@ -25,7 +25,7 @@ for elem in "${exports[@]}"; do count=$(grep -R "$elem$" libsimplex.dll.def | wc
 for elem in "${exports[@]}"; do count=$(grep -R "\"$elem\"" flake.nix | wc -l); if [ $count -ne 2 ]; then echo Wrong exports in flake.nix. Add \"$elem\" in two places of the file; exit 1; fi ; done
 
 rm -rf $BUILD_DIR
-cabal build lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN' --ghc-options="-optl-L$(ghc --print-libdir)/rts -optl-Wl,--as-needed,-lHSrts_thr-ghc$GHC_VERSION"
+cabal build lib:simplex-chat --ghc-options='-optl-Wl,-rpath,$ORIGIN' --ghc-options="-optl-L$(ghc --print-libdir)/rts -optl-Wl,--as-needed,-lHSrts_thr-ghc$GHC_VERSION" --constraint 'simplexmq +client_library'
 cd $BUILD_DIR/build
 #patchelf --add-needed libHSrts_thr-ghc${GHC_VERSION}.so libHSsimplex-chat-*-inplace-ghc${GHC_VERSION}.so
 #patchelf --add-rpath '$ORIGIN' libHSsimplex-chat-*-inplace-ghc${GHC_VERSION}.so
diff --git a/scripts/desktop/build-lib-mac.sh b/scripts/desktop/build-lib-mac.sh
index e9fffbd38a..dcd24fec77 100755
--- a/scripts/desktop/build-lib-mac.sh
+++ b/scripts/desktop/build-lib-mac.sh
@@ -23,7 +23,7 @@ for elem in "${exports[@]}"; do count=$(grep -R "$elem$" libsimplex.dll.def | wc
 for elem in "${exports[@]}"; do count=$(grep -R "\"$elem\"" flake.nix | wc -l); if [ $count -ne 2 ]; then echo Wrong exports in flake.nix. Add \"$elem\" in two places of the file; exit 1; fi ; done
 
 rm -rf $BUILD_DIR
-cabal build lib:simplex-chat lib:simplex-chat --ghc-options="-optl-Wl,-rpath,@loader_path -optl-Wl,-L$GHC_LIBS_DIR/rts -optl-lHSrts_thr-ghc8.10.7 -optl-lffi"
+cabal build lib:simplex-chat lib:simplex-chat --ghc-options="-optl-Wl,-rpath,@loader_path -optl-Wl,-L$GHC_LIBS_DIR/rts -optl-lHSrts_thr-ghc8.10.7 -optl-lffi" --constraint 'simplexmq +client_library'
 
 cd $BUILD_DIR/build
 mkdir deps 2> /dev/null || true
diff --git a/scripts/desktop/build-lib-windows.sh b/scripts/desktop/build-lib-windows.sh
index 72de53854f..0e96a42e86 100755
--- a/scripts/desktop/build-lib-windows.sh
+++ b/scripts/desktop/build-lib-windows.sh
@@ -51,7 +51,7 @@ echo "    ghc-options: -shared -threaded -optl-L$openssl_windows_style_path -opt
 # Very important! Without it the build fails on linking step since the linker can't find exported symbols.
 # It looks like GHC bug because with such random path the build ends successfully
 sed -i "s/ld.lld.exe/abracadabra.exe/" `ghc --print-libdir`/settings
-cabal build lib:simplex-chat
+cabal build lib:simplex-chat --constraint 'simplexmq +client_library'
 
 rm -rf apps/multiplatform/common/src/commonMain/cpp/desktop/libs/$OS-$ARCH/
 rm -rf apps/multiplatform/desktop/build/cmake
diff --git a/scripts/nix/sha256map.nix b/scripts/nix/sha256map.nix
index 8f53d078dc..d34161809e 100644
--- a/scripts/nix/sha256map.nix
+++ b/scripts/nix/sha256map.nix
@@ -1,5 +1,5 @@
 {
-  "https://github.com/simplex-chat/simplexmq.git"."a8471eed5be93e7c3741aa4742b24193c9a2d6f5" = "093i40api0dp7rvw6f1f3pww3q5iv6mvbj577nlxp3qqcbvyh6fs";
+  "https://github.com/simplex-chat/simplexmq.git"."8a9d4f2af768d5d6a2b60c00d507529242f9b984" = "0kb8hq37fc5g198wq7dswnlwjzk67q8rrzil2dii5lc6xfr47jbs";
   "https://github.com/simplex-chat/hs-socks.git"."a30cc7a79a08d8108316094f8f2f82a0c5e1ac51" = "0yasvnr7g91k76mjkamvzab2kvlb1g5pspjyjn2fr6v83swjhj38";
   "https://github.com/simplex-chat/direct-sqlcipher.git"."f814ee68b16a9447fbb467ccc8f29bdd3546bfd9" = "1ql13f4kfwkbaq7nygkxgw84213i0zm7c1a8hwvramayxl38dq5d";
   "https://github.com/simplex-chat/sqlcipher-simple.git"."a46bd361a19376c5211f1058908fc0ae6bf42446" = "1z0r78d8f0812kxbgsm735qf6xx8lvaz27k1a0b4a2m0sshpd5gl";
diff --git a/tests/ChatClient.hs b/tests/ChatClient.hs
index 36bdf92dbf..75b85d7a5f 100644
--- a/tests/ChatClient.hs
+++ b/tests/ChatClient.hs
@@ -51,6 +51,7 @@ import qualified Simplex.Messaging.Crypto.Ratchet as CR
 import Simplex.Messaging.Protocol (srvHostnamesSMPClientVersion)
 import Simplex.Messaging.Server (runSMPServerBlocking)
 import Simplex.Messaging.Server.Env.STM
+import Simplex.Messaging.Server.MsgStore.Types (AMSType (..), SMSType (..))
 import Simplex.Messaging.Transport
 import Simplex.Messaging.Transport.Server (ServerCredentials (..), defaultTransportServerConfig)
 import Simplex.Messaging.Version
@@ -424,6 +425,9 @@ smpServerCfg =
       tbqSize = 1,
       -- serverTbqSize = 1,
       msgQueueQuota = 16,
+      msgStoreType = AMSType SMSMemory,
+      maxJournalMsgCount = 1000,
+      maxJournalStateLines = 1000,
       queueIdBytes = 12,
       msgIdBytes = 6,
       storeLogFile = Nothing,