diff --git a/test/externalTests/colony.sh b/test/externalTests/colony.sh
index 0c3922272..66231eb99 100755
--- a/test/externalTests/colony.sh
+++ b/test/externalTests/colony.sh
@@ -32,14 +32,14 @@ function colony_test
 {
     OPTIMIZER_LEVEL=3
     FORCE_ABIv2=false
+    CONFIG="truffle.js"
+
     truffle_setup https://github.com/erak/colonyNetwork.git develop_060
     run_install install_fn
 
-    CONFIG=$(find_truffle_config)
-
     cd lib
     rm -Rf dappsys
-    git clone https://github.com/erak/dappsys-monolithic.git -b callvalue-payable-fix dappsys
+    git clone https://github.com/erak/dappsys-monolithic.git -b master_060 dappsys
     cd ..
 
     truffle_run_test compile_fn test_fn
diff --git a/test/externalTests/common.sh b/test/externalTests/common.sh
index c719cb92d..25b4a6068 100644
--- a/test/externalTests/common.sh
+++ b/test/externalTests/common.sh
@@ -83,6 +83,13 @@ function download_project
     echo "Current commit hash: `git rev-parse HEAD`"
 }
 
+function force_truffle_version
+{
+    local repo="$1"
+
+    sed -i 's/"truffle":\s*".*"/"truffle": "^5.0.42"/g' package.json
+}
+
 function truffle_setup
 {
     local repo="$1"
@@ -202,6 +209,10 @@ function run_install
 {
     local init_fn="$1"
     printLog "Running install function..."
+
+    replace_version_pragmas
+    force_solc "$CONFIG" "$DIR" "$SOLJSON"
+
     $init_fn
 }
 
@@ -225,7 +236,6 @@ function truffle_run_test
     local test_fn="$2"
 
     replace_version_pragmas
-
     force_solc "$CONFIG" "$DIR" "$SOLJSON"
 
     printLog "Checking optimizer level..."
diff --git a/test/externalTests/gnosis.sh b/test/externalTests/gnosis.sh
index 8c4f88d87..b2bb657cb 100755
--- a/test/externalTests/gnosis.sh
+++ b/test/externalTests/gnosis.sh
@@ -31,10 +31,14 @@ function test_fn { npm test; }
 function gnosis_safe_test
 {
     OPTIMIZER_LEVEL=1
-    truffle_setup https://github.com/erak/safe-contracts.git development_060
-    run_install install_fn
+    CONFIG="truffle.js"
 
-    CONFIG=$(find_truffle_config)
+    truffle_setup https://github.com/erak/safe-contracts.git development_060
+
+    force_truffle_version
+    sed -i 's|github:gnosis/mock-contract#sol_0_5_0|github:erak/mock-contract#master_060|g' package.json
+
+    run_install install_fn
     replace_libsolc_call
 
     truffle_run_test compile_fn test_fn
diff --git a/test/externalTests/solc-js/solc-js.sh b/test/externalTests/solc-js/solc-js.sh
index daffee0e3..611f989db 100755
--- a/test/externalTests/solc-js/solc-js.sh
+++ b/test/externalTests/solc-js/solc-js.sh
@@ -49,8 +49,6 @@ function solcjs_test
     printLog "Copying SMTChecker tests..."
     cp -Rf "$TEST_DIR"/test/libsolidity/smtCheckerTests test/
 
-    run_install install_fn
-
     # Update version (needed for some tests)
     echo "Updating package.json to version $VERSION"
     npm version --allow-same-version --no-git-tag-version $VERSION
diff --git a/test/externalTests/zeppelin.sh b/test/externalTests/zeppelin.sh
index d4a909636..7c932786e 100755
--- a/test/externalTests/zeppelin.sh
+++ b/test/externalTests/zeppelin.sh
@@ -31,11 +31,11 @@ function test_fn { npm run test; }
 function zeppelin_test
 {
     OPTIMIZER_LEVEL=1
-    truffle_setup https://github.com/erak/openzeppelin-solidity.git master_060
+    CONFIG="truffle-config.js"
+
+    truffle_setup https://github.com/erak/openzeppelin-contracts.git master_060
     run_install install_fn
 
-    CONFIG="truffle-config.js"
-    replace_libsolc_call
 
     truffle_run_test compile_fn test_fn
 }