diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index efaf525..f325bba 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,5 +14,3 @@ jobs:
           fetch-depth: 0 # Ensure Talisman can operate on a valid revision range
       - name: Test action
         uses: ./
-        with:
-          remote-sha: 89df42eb70ebff472b384403e6b17e44391eba79
diff --git a/.talismanrc b/.talismanrc
new file mode 100644
index 0000000..f43bf9d
--- /dev/null
+++ b/.talismanrc
@@ -0,0 +1,3 @@
+fileignoreconfig:
+- filename: README.md
+  checksum: db50071255cfd6687a9011c05ef82c985afb25942a6537a839e30e8225445d72
diff --git a/Dockerfile b/Dockerfile
index 1d4a597..46be0e5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,8 @@
-FROM alpine:3.13.6
+FROM ubuntu:20.04
 
-RUN apk update && apk add git
+RUN apt update && apt install -y git
 
-ADD ["https://github.com/thoughtworks/talisman/releases/download/v1.22.0/talisman_linux_amd64", "/talisman"]
+ADD ["https://github.com/thoughtworks/talisman/releases/download/v1.25.0/talisman_linux_amd64", "/talisman"]
 RUN chmod +x /talisman
 
 COPY entrypoint.sh /entrypoint.sh
diff --git a/README.md b/README.md
index 63da498..5d54130 100644
--- a/README.md
+++ b/README.md
@@ -7,12 +7,12 @@ This action uses [Talisman](https://thoughtworks.github.io/talisman/) to scan th
 ```yml
 steps:
   - name: Detect secrets with Talisman in incoming commits
-    uses: carhartl/talisman-secrets-scan-action@v1.0
+    uses: carhartl/talisman-secrets-scan-action@v1.0.1
 ```
 
 ## Caveat
 
-When using this along with the `actions/checkout@v2` step, you'll need to configure it to fetch the entire history:
+When using this along with the `actions/checkout@v2` step you'll need to configure it to avoid a too shallow clone:
 
 ```yml
 - uses: actions/checkout@v2
@@ -20,7 +20,7 @@ When using this along with the `actions/checkout@v2` step, you'll need to config
     fetch-depth: 0
 ```
 
-Otherwise you'll run into talisman erroring out while it's trying to execute git with an invalid revision range:
+Otherwise you may run into Talisman erroring out while it's trying to execute git with an invalid revision range:
 
 ```
 time="2021-09-19T07:07:32Z" level=fatal msg="Git command execution failed" command="git diff 0c4a631e70056a95df1c235d238a80828e07cf9c..a32a5c7e1a3d250bf18a080a44a764d9b93b9690 --name-only --diff-filter=ACM" dir=/github/workspace error="exit status 128" output="fatal: Invalid revision range 0c4a631e70056a95df1c235d238a80828e07cf9c..a32a5c7e1a3d250bf18a080a44a764d9b93b9690\n"
diff --git a/password.txt b/password.txt
deleted file mode 100644
index 7532a65..0000000
--- a/password.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-user=John
-password=7FAB324C-585E-4085-874A-161FBA2AEDE8