diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fbba291..9e15091 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,10 +12,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        rebar3:
+          - '3.20.0'
         otp:
-          - '24.1'
-          - '23.3.4.7'
-          - '22.3.4.21'
+          - '26'
+          - '25'
         kafka:
           - '2.4'
           - '1.1'
@@ -30,16 +31,16 @@ jobs:
       uses: actions/cache@v2
       with:
         path: ~/.cache/rebar3/hex/hexpm/packages
-        key: ${{ runner.os }}-hex-${{ hashFiles(format('{0}{1}', github.workspace, '/rebar.lock')) }}
+        key: ${{ runner.os }}-hex2-${{ hashFiles(format('{0}{1}', github.workspace, '/rebar.lock')) }}
         restore-keys: |
-          ${{ runner.os }}-hex-
+          ${{ runner.os }}-hex2-
     - name: Cache Dialyzer PLTs
       uses: actions/cache@v2
       with:
         path: ~/.cache/rebar3/rebar3_*_plt
-        key: ${{ runner.os }}-dialyzer-${{ hashFiles(format('{0}{1}', github.workspace, '/rebar.config')) }}
+        key: ${{ runner.os }}--dialyzer2-${{ hashFiles(format('{0}{1}', github.workspace, '/rebar.config')) }}
         restore-keys: |
-          ${{ runner.os }}-dialyzer-
+          ${{ runner.os }}-dialyzer2-
 
     # Install Erlang
     - name: Install Erlang/OTP
@@ -47,7 +48,7 @@ jobs:
       with:
         version-type: strict
         otp-version: ${{matrix.otp}}
-        rebar3-version: '3.17.0'
+        rebar3-version: ${{matrix.rebar3}}
 
     # Compile
     - name: Compile
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9da108b..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-language: erlang
-
-sudo: required
-
-services:
-  - docker
-
-# install latest rebar3 because the one travis provids doesn't support cover_export_name option
-before_install:
-  - |
-    git clone https://github.com/erlang/rebar3.git
-    pushd .
-    cd rebar3
-    ./bootstrap
-    sudo mv rebar3 /usr/local/bin/
-    popd
-  - sudo docker info
-
-notifications:
-  email: false
-
-otp_release:
-  - "23.0.2"
-  - "22.3.4"
-
-script:
-  - make
-  - make xref
-  - make edoc
-  - |
-    OTP_VSN=`erl -noshell -eval 'io:format(erlang:system_info(otp_release)), halt(0)'`
-    if [ $OTP_VSN -eq 21 ]; then
-      make dialyze
-    fi
-  - export KAFKA_VERSION=2.4  && make test-env && make eunit
-  - export KAFKA_VERSION=1.1  && make test-env && make eunit
-  - export KAFKA_VERSION=0.11 && make test-env && make eunit
-  - export KAFKA_VERSION=0.10 && make test-env && make eunit
-  - export KAFKA_VERSION=0.9  && make test-env && export KPRO_TEST_KAFKA_09=1 && make eunit
-  - make cover
diff --git a/Makefile b/Makefile
index 1383e12..3318dc4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-KAFKA_VERSION ?= 2.4
+export KAFKA_VERSION ?= 2.4
 all: compile
 
 rebar ?= $(shell which rebar3)
diff --git a/scripts/docker-compose.yml b/scripts/docker-compose.yml
index bcec674..257a413 100644
--- a/scripts/docker-compose.yml
+++ b/scripts/docker-compose.yml
@@ -1,35 +1,17 @@
 version: '2'
 
 services:
-  pause:
-    image: "gcr.io/google_containers/pause-amd64:3.0"
-    networks:
-      - pausenet
-    ports:
-      - "2181:2181"
-      - "9092:9092"
-      - "9093:9093"
-      - "9094:9094"
-      - "9095:9095"
-      - "9192:9192"
-      - "9193:9193"
-      - "9194:9194"
-      - "9195:9195"
-    container_name: pause
   zookeeper:
-    depends_on:
-      - pause
     image: "zmstone/kafka:${KAFKA_VERSION}"
     container_name: zookeeper
     command: run zookeeper
-    network_mode: service:pause
+    network_mode: host
   kafka_1:
     depends_on:
-      - pause
       - zookeeper
     image: "zmstone/kafka:${KAFKA_VERSION}"
     container_name: 'kafka-1'
-    network_mode: service:pause
+    network_mode: host
     environment:
       BROKER_ID: 0
       PLAINTEXT_PORT: 9092
@@ -40,11 +22,10 @@ services:
       ZOOKEEPER_CONNECT: "localhost:2181"
   kafka_2:
     depends_on:
-      - pause
       - zookeeper
     image: "zmstone/kafka:${KAFKA_VERSION}"
     container_name: 'kafka-2'
-    network_mode: service:pause
+    network_mode: host
     environment:
       BROKER_ID: 1
       PLAINTEXT_PORT: 9192
@@ -53,6 +34,3 @@ services:
       SASL_PLAINTEXT_PORT: 9195
       ADVERTISED_HOSTNAME: localhost
       ZOOKEEPER_CONNECT: "localhost:2181"
-
-networks:
-  pausenet:
diff --git a/scripts/setup-test-env.sh b/scripts/setup-test-env.sh
index edc3a7b..f05b2df 100755
--- a/scripts/setup-test-env.sh
+++ b/scripts/setup-test-env.sh
@@ -5,7 +5,7 @@ docker ps > /dev/null || {
     exit 1
 }
 
-VERSION=${KAFKA_VERSION:-1.1}
+VERSION=${KAFKA_VERSION:-2.4}
 if [ -z $VERSION ]; then VERSION=$1; fi
 
 case $VERSION in
diff --git a/src/kpro_brokers.erl b/src/kpro_brokers.erl
index 7f1b97e..964a6a4 100644
--- a/src/kpro_brokers.erl
+++ b/src/kpro_brokers.erl
@@ -26,7 +26,9 @@
         ]).
 
 -include("kpro_private.hrl").
+-ifdef(TEST).
 -include_lib("eunit/include/eunit.hrl").
+-endif.
 
 -type endpoint() :: kpro:endpoint().
 -type topic() :: kpro:topic().
diff --git a/src/kpro_connection.erl b/src/kpro_connection.erl
index f48faf1..1df45ed 100644
--- a/src/kpro_connection.erl
+++ b/src/kpro_connection.erl
@@ -42,7 +42,9 @@
              ]).
 
 -include("kpro_private.hrl").
+-ifdef(TEST).
 -include_lib("eunit/include/eunit.hrl").
+-endif.
 
 -define(DEFAULT_CONNECT_TIMEOUT, timer:seconds(5)).
 -define(DEFAULT_REQUEST_TIMEOUT, timer:minutes(4)).
diff --git a/test/kpro_test_lib.erl b/test/kpro_test_lib.erl
index 96dfab4..b1e0e04 100644
--- a/test/kpro_test_lib.erl
+++ b/test/kpro_test_lib.erl
@@ -257,6 +257,7 @@ default_ssl_options() ->
   , {keyfile,    Fname("client.key")}
   , {certfile,   Fname("client.crt")}
   , {verify,     verify_none}
+  , {versions,   ['tlsv1.2']}
   ].
 
 osenv(Name) ->