diff --git a/.github/workflows/PR.yaml b/.github/workflows/PR.yaml
index 50113581a..bd3df6ffe 100644
--- a/.github/workflows/PR.yaml
+++ b/.github/workflows/PR.yaml
@@ -9,6 +9,10 @@ on:
       - main
       - ubuntu-22.04
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   workflow-setup:
     name: Initialize Workflow
diff --git a/.github/workflows/Push.yaml b/.github/workflows/Push.yaml
index e5101b28a..6356ae3d5 100644
--- a/.github/workflows/Push.yaml
+++ b/.github/workflows/Push.yaml
@@ -10,6 +10,10 @@ on:
       - 'build-scripts/**'
       - 'bump_version.sh'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   workflow-setup:
     name: Initialize Workflow
diff --git a/.github/workflows/build/Dockerfile.ubuntu-2204 b/.github/workflows/build/Dockerfile.ubuntu-2204
index 614eb0623..318bdd0c2 100644
--- a/.github/workflows/build/Dockerfile.ubuntu-2204
+++ b/.github/workflows/build/Dockerfile.ubuntu-2204
@@ -33,7 +33,7 @@ RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 9692C00E657DDE61 &&
 RUN echo "deb https://hyperledger.jfrog.io/artifactory/indy jammy dev"  >> /etc/apt/sources.list && \
     echo "deb http://security.ubuntu.com/ubuntu bionic-security main"  >> /etc/apt/sources.list && \
     echo "deb https://repo.sovrin.org/deb bionic master" >> /etc/apt/sources.list && \
-    echo "deb https://repo.sovrin.org/sdk/deb bionic master" >> /etc/apt/sources.listst
+    echo "deb https://repo.sovrin.org/sdk/deb bionic master" >> /etc/apt/sources.list
 
 RUN apt-get update -y && apt-get install -y \
     # Python