diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
index 1d37d4114..24cf49d5d 100755
--- a/scripts/install_deps.sh
+++ b/scripts/install_deps.sh
@@ -312,6 +312,14 @@ case $(uname -s) in
                     cmake \
                     git \
                     libboost-all-dev
+                if [ "$CI" = true ]; then
+                    # Install 'eth', for use in the Solidity Tests-over-IPC.
+                    # We will not use this 'eth', but its dependencies
+                    sudo add-apt-repository -y ppa:ethereum/ethereum
+                    sudo add-apt-repository -y ppa:ethereum/ethereum-dev
+                    sudo apt-get -y update
+                    sudo apt-get -y install eth
+                fi
                 ;;
 
 #------------------------------------------------------------------------------
diff --git a/scripts/tests.sh b/scripts/tests.sh
index 6a16a40a5..4325535bd 100755
--- a/scripts/tests.sh
+++ b/scripts/tests.sh
@@ -48,7 +48,9 @@ else
     mkdir -p /tmp/test
     wget -O /tmp/test/eth https://github.com/ethereum/cpp-ethereum/releases/download/solidityTester/eth
     test "$(shasum /tmp/test/eth)" = "52ca66b90aae9886576f3cabe5ef232a36f9b6a4  /tmp/test/eth"
+    sync
     chmod +x /tmp/test/eth
+    sync # Otherwise we might get a "text file busy" error
     ETH_PATH="/tmp/test/eth"
 fi