diff --git a/.circleci/config.yml b/.circleci/config.yml
index 387d99e1..6eb04fb0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -234,11 +234,11 @@ jobs:
           background: true
       - run:
           name: Start simapp
-          command: ./scripts/simapp44/start.sh
+          command: ./scripts/simapp50/start.sh
           background: true
       - run:
           name: Start slow simapp
-          command: ./scripts/simapp44/slow_start.sh
+          command: ./scripts/simapp50/slow_start.sh
           background: true
       - run:
           name: Start Tendermint blockchains
@@ -305,8 +305,8 @@ jobs:
       - run:
           environment:
             HTTPSERVER_ENABLED: 1
-            SIMAPP44_ENABLED: 1
-            SLOW_SIMAPP44_ENABLED: 1
+            SIMAPP50_ENABLED: 1
+            SLOW_SIMAPP50_ENABLED: 1
             TENDERMINT_ENABLED: 1
             SOCKETSERVER_ENABLED: 1
             SKIP_BUILD: 1
@@ -325,8 +325,8 @@ jobs:
           working_directory: packages/cli
           environment:
             HTTPSERVER_ENABLED: 1
-            SIMAPP44_ENABLED: 1
-            SLOW_SIMAPP44_ENABLED: 1
+            SIMAPP50_ENABLED: 1
+            SLOW_SIMAPP50_ENABLED: 1
             TENDERMINT_ENABLED: 1
             SOCKETSERVER_ENABLED: 1
             SKIP_BUILD: 1
@@ -338,8 +338,8 @@ jobs:
             ./scripts/httpserver/stop.sh
             ./scripts/socketserver/stop.sh
             ./scripts/tendermint/all_stop.sh
-            ./scripts/simapp44/stop.sh
-            ./scripts/simapp44/slow_stop.sh
+            ./scripts/simapp50/stop.sh
+            ./scripts/simapp50/slow_stop.sh
             ./scripts/wasmd/stop.sh
   test-chrome:
     machine:
@@ -368,11 +368,11 @@ jobs:
           background: true
       - run:
           name: Start simapp
-          command: ./scripts/simapp44/start.sh
+          command: ./scripts/simapp50/start.sh
           background: true
       - run:
           name: Start slow simapp
-          command: ./scripts/simapp44/slow_start.sh
+          command: ./scripts/simapp50/slow_start.sh
           background: true
       - run:
           name: Start Tendermint blockchains
@@ -435,8 +435,8 @@ jobs:
       - run:
           environment:
             HTTPSERVER_ENABLED: 1
-            SIMAPP44_ENABLED: 1
-            SLOW_SIMAPP44_ENABLED: 1
+            SIMAPP50_ENABLED: 1
+            SLOW_SIMAPP50_ENABLED: 1
             TENDERMINT_ENABLED: 1
             SOCKETSERVER_ENABLED: 1
             SKIP_BUILD: 1
@@ -448,8 +448,8 @@ jobs:
             ./scripts/httpserver/stop.sh
             ./scripts/socketserver/stop.sh
             ./scripts/tendermint/all_stop.sh
-            ./scripts/simapp44/stop.sh
-            ./scripts/simapp44/slow_stop.sh
+            ./scripts/simapp50/stop.sh
+            ./scripts/simapp50/slow_stop.sh
             ./scripts/wasmd/stop.sh
   coverage:
     machine:
@@ -477,11 +477,11 @@ jobs:
           background: true
       - run:
           name: Start simapp
-          command: ./scripts/simapp44/start.sh
+          command: ./scripts/simapp50/start.sh
           background: true
       - run:
           name: Start slow simapp
-          command: ./scripts/simapp44/slow_start.sh
+          command: ./scripts/simapp50/slow_start.sh
           background: true
       - run:
           name: Start Tendermint blockchains
@@ -544,8 +544,8 @@ jobs:
       - run:
           environment:
             HTTPSERVER_ENABLED: 1
-            SIMAPP44_ENABLED: 1
-            SLOW_SIMAPP44_ENABLED: 1
+            SIMAPP50_ENABLED: 1
+            SLOW_SIMAPP50_ENABLED: 1
             TENDERMINT_ENABLED: 1
             SOCKETSERVER_ENABLED: 1
             SKIP_BUILD: 1
@@ -560,8 +560,8 @@ jobs:
             ./scripts/httpserver/stop.sh
             ./scripts/socketserver/stop.sh
             ./scripts/tendermint/all_stop.sh
-            ./scripts/simapp44/stop.sh
-            ./scripts/simapp44/slow_stop.sh
+            ./scripts/simapp50/stop.sh
+            ./scripts/simapp50/slow_stop.sh
             ./scripts/wasmd/stop.sh
   docs-build:
     docker: