diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
index 59ae8b69ee..89cceed969 100755
--- a/scripts/install_deps.sh
+++ b/scripts/install_deps.sh
@@ -1,6 +1,6 @@
-#! /usr/bin/bash
+#!/usr/bin/env bash
 
 apt-get update
 apt-get update --fix-missing
 DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC apt-get -y install tzdata
-apt-get -y install zip unzip libncurses5 wget git build-essential cmake curl libcurl4-openssl-dev libgmp-dev libssl-dev libusb-1.0.0-dev libzstd-dev time pkg-config zlib1g-dev libtinfo-dev bzip2 libbz2-dev
+apt-get -y install zip unzip libncurses5 wget git build-essential cmake curl libcurl4-openssl-dev libgmp-dev libssl-dev libusb-1.0.0-dev libzstd-dev time pkg-config zlib1g-dev libtinfo-dev bzip2 libbz2-dev python3
diff --git a/scripts/pinned_build.sh b/scripts/pinned_build.sh
index dc55ef1241..bae29d9576 100755
--- a/scripts/pinned_build.sh
+++ b/scripts/pinned_build.sh
@@ -1,4 +1,4 @@
-#! /usr/bin/bash
+#!/usr/bin/env bash
 
 echo "Mandel Pinned Build"
 
@@ -31,7 +31,6 @@ JOBS=$3
 CLANG_VER=11.0.1
 BOOST_VER=1.70.0
 LLVM_VER=7.1.0
-LIBPQXX_VER=7.2.1
 ARCH=`uname -m`
 SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]:-$0}"; )" &> /dev/null && pwd 2> /dev/null; )";
 START_DIR="$(pwd)"
@@ -130,7 +129,7 @@ pushdir ${MANDEL_DIR}
 
 # build Mandel
 echo "Building Mandel ${SCRIPT_DIR}"
-try cmake -DCMAKE_TOOLCHAIN_FILE=${SCRIPT_DIR}/pinned_toolchain.cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=${LLVM_DIR}/lib/cmake -DCMAKE_PREFIX_PATH=${BOOST_DIR}/bin -S${SCRIPT_DIR}/..
+try cmake -DCMAKE_TOOLCHAIN_FILE=${SCRIPT_DIR}/pinned_toolchain.cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=${LLVM_DIR}/lib/cmake -DCMAKE_PREFIX_PATH=${BOOST_DIR}/bin ${SCRIPT_DIR}/..
 
 try make -j${JOBS}
 try cpack