diff --git a/.circleci/config.yml b/.circleci/config.yml
index 77458b60..bb4a6d2f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: zokrates/env:staging
+      - image: zokrates/env:latest
     steps:
       - checkout
       - run:
@@ -27,7 +27,7 @@ jobs:
           key: v4-cargo-cache-{{ arch }}-{{ checksum "Cargo.lock" }}
   test:
     docker:
-      - image: zokrates/env:staging
+      - image: zokrates/env:latest
     steps:
       - checkout
       - run:
@@ -53,7 +53,7 @@ jobs:
       #     command: ./scripts/cov.sh
   cpp_format:
     docker:
-      - image: zokrates/env:staging
+      - image: zokrates/env:latest
     steps:
       - checkout
       - run:
@@ -61,7 +61,7 @@ jobs:
           command: run-clang-format.py -r $(pwd)/zokrates_core/lib
   wasm_test:
     docker:
-      - image: zokrates/env:staging
+      - image: zokrates/env:latest
     steps:
       - checkout
       - run:
@@ -78,7 +78,7 @@ jobs:
           command: cd zokrates_core && wasm-pack test --firefox --headless -- --no-default-features --features "wasm bellman"
   integration_test:
     docker:
-      - image: zokrates/env:staging
+      - image: zokrates/env:latest
       - image: trufflesuite/ganache-cli:next
     steps:
       - checkout
@@ -106,7 +106,7 @@ jobs:
           command: ./scripts/release.sh
   zokrates_js_build:
     docker:
-      - image: zokrates/env:staging
+      - image: zokrates/env:latest
     steps:
       - checkout
       - run:
@@ -114,7 +114,7 @@ jobs:
           command: cd zokrates_js && npm run build:dev
   zokrates_js_test:
     docker:
-      - image: zokrates/env:staging
+      - image: zokrates/env:latest
     steps:
       - checkout
       - run:
diff --git a/Dockerfile.env b/Dockerfile.env
index bbd60816..4cbec055 100644
--- a/Dockerfile.env
+++ b/Dockerfile.env
@@ -25,6 +25,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         && add-apt-repository ppa:mozillateam/ppa \
         && apt-get update \
         && apt-get install -y --no-install-recommends firefox-esr \
+        && ln -s /usr/bin/firefox-esr /usr/bin/firefox \
         && rm -rf /var/lib/apt/lists/*
 
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- --default-toolchain none -y \
@@ -37,8 +38,8 @@ RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- --defau
     && ln -s /opt/run-clang-format.py /usr/bin \
     && rustup --version; cargo --version; rustc --version; wasm-pack --version; echo nodejs $(node -v);
 
-RUN cd /opt && curl -LO https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz \
-    && tar -xzf geckodriver-v0.26.0-linux64.tar.gz geckodriver \
+RUN cd /opt && curl -LO https://github.com/mozilla/geckodriver/releases/download/v0.28.0/geckodriver-v0.28.0-linux64.tar.gz \
+    && tar -xzf geckodriver-v0.28.0-linux64.tar.gz geckodriver \
     && ln -s /opt/geckodriver /usr/bin \
     && geckodriver --version \
-    && rm -rf geckodriver-v0.26.0-linux64.tar.gz
\ No newline at end of file
+    && rm -rf geckodriver-v0.28.0-linux64.tar.gz
\ No newline at end of file