diff --git a/.circleci/config.yml b/.circleci/config.yml
index 837d3a3ac..f778bb5b7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,5 +1,7 @@
 version: 2
+
 jobs:
+
   lin-sys:
     docker:
         - image: kovidgoyal/kitty-test:latest
@@ -12,21 +14,25 @@ jobs:
         - run: make FAIL_WARN=-W man
         - run: make FAIL_WARN=-W html
         - run: python3 setup.py linux-package
+
   lin-35:
     docker:
         - image: kovidgoyal/kitty-test:latest
     environ:
         CC: gcc
         CFLAGS: -funsigned-char
+        LD_LIBRARY_PATH: /opt/py3.5/lib:$LD_LIBRARY_PATH
     steps:
         - checkout
         - run: /opt/py3.5/bin/python3 setup.py build --debug --verbose --sanitize
         - run: ./asan-launcher test.py
+
   lin-37:
     docker:
         - image: kovidgoyal/kitty-test:latest
     environ:
         CC: clang
+        LD_LIBRARY_PATH: /opt/py3.7/lib:$LD_LIBRARY_PATH
     steps:
         - checkout
         - run: /opt/py3.7/bin/python3 setup.py build --debug --verbose --sanitize
diff --git a/.circleci/images/Dockerfile b/.circleci/images/Dockerfile
index 5b839f253..e901185e9 100644
--- a/.circleci/images/Dockerfile
+++ b/.circleci/images/Dockerfile
@@ -3,7 +3,8 @@ FROM ubuntu:latest
 # make Apt non-interactive
 ENV DEBIAN_FRONTEND=noninteractive
 RUN echo 'APT::Get::Assume-Yes "true";' > /etc/apt/apt.conf.d/90circleci \
-  && echo 'DPkg::Options "--force-confnew";' >> /etc/apt/apt.conf.d/90circleci
+  && echo 'DPkg::Options "--force-confnew";' >> /etc/apt/apt.conf.d/90circleci \
+  && echo 'Acquire::Languages "none";' >> /etc/apt/apt.conf.d/90circleci 
 
 # System setup
 RUN apt-get update && mkdir -p /usr/share/man/man1 && apt-get install -y python3-flake8 python3-pip python3-pil clang git apt locales sudo openssh-client ca-certificates tar gzip parallel net-tools netcat unzip zip bzip2 gnupg curl wget build-essential apt-utils
@@ -42,6 +43,9 @@ ENV SW=/home/circleci/sw
 RUN mkdir $SW && \
     curl https://download.calibre-ebook.com/travis/kitty/linux-64.tar.xz | tar xJ -C $SW
 
+# Clean unused files
+RUN apt-get clean -y
+
 USER circleci
 
 LABEL com.circleci.preserve-entrypoint=true