diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 2cb55a9373..843c1c5914 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-11, ubuntu-20.04]
+        os: [macos-10.15, macos-11, ubuntu-20.04]
         rust: ["1.60.0"]
         binary_path: ["target/release"]
     steps:
@@ -63,11 +63,11 @@ jobs:
       fail-fast: false
       matrix:
         backend: ["ic-ref", "replica"]
-        # macos-latest is currently macos-11, ubuntu-latest is currently ubuntu-20.04
+        # macos-latest is currently macos-10.15, ubuntu-latest is currently ubuntu-20.04
         # ubuntu-18.04 not supported due to:
         #     /home/runner/.cache/dfinity/versions/0.8.3-34-g36e39809/ic-starter:
         #     /lib/x86_64-linux-gnu/libm.so.6: version `GLIBC_2.29' not found
-        os: [macos-11, ubuntu-20.04]
+        os: [macos-10.15, macos-11, ubuntu-20.04]
         rust: ["1.60.0"]
     steps:
       - uses: actions/checkout@v1
diff --git a/Cargo.lock b/Cargo.lock
index be93b585ed..5fa2de6aa6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1065,7 +1065,7 @@ dependencies = [
 
 [[package]]
 name = "dfx"
-version = "0.11.1-beta.1"
+version = "0.11.1-beta.0"
 dependencies = [
  "actix",
  "actix-cors",
diff --git a/public/manifest.json b/public/manifest.json
index 7747580462..e5a94282ab 100644
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -58,7 +58,6 @@
         "0.10.0",
         "0.10.1",
         "0.11.0",
-        "0.11.1-beta.0",
-        "0.11.1-beta.1"
+        "0.11.1-beta.0"
     ]
 }
diff --git a/src/dfx/Cargo.toml b/src/dfx/Cargo.toml
index 646932ea6d..5d213fde11 100644
--- a/src/dfx/Cargo.toml
+++ b/src/dfx/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dfx"
-version = "0.11.1-beta.1"
+version = "0.11.1-beta.0"
 authors = ["DFINITY Team"]
 edition = "2018"
 build = "assets/build.rs"