diff --git a/Dockerfile b/Dockerfile
index 0c7642c..56c2db2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,7 @@ RUN \
   cd /app/calibre-web && \
   pip3 install --no-cache-dir -U \
     pip && \
-  pip install --no-cache-dir -U --find-links https://wheel-index.linuxserver.io/ubuntu/ -r \
+  pip install --no-cache-dir -U --ignore-installed --find-links https://wheel-index.linuxserver.io/ubuntu/ -r \
     requirements.txt -r \
     optional-requirements.txt && \
   echo "***install kepubify" && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index df26a2b..5a2b9ef 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -51,7 +51,7 @@ RUN \
   cd /app/calibre-web && \
   pip3 install --no-cache-dir -U \
     pip && \
-  pip install --no-cache-dir -U --find-links https://wheel-index.linuxserver.io/ubuntu/ -r \
+  pip install --no-cache-dir -U --ignore-installed --find-links https://wheel-index.linuxserver.io/ubuntu/ -r \
     requirements.txt -r \
     optional-requirements.txt && \
   echo "***install kepubify" && \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index f2e6b0a..460f5ee 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -53,7 +53,7 @@ RUN \
   cd /app/calibre-web && \
   pip3 install --no-cache-dir -U \
     pip && \
-  pip install --no-cache-dir -U --find-links https://wheel-index.linuxserver.io/ubuntu/ -r \
+  pip install --no-cache-dir -U --ignore-installed --find-links https://wheel-index.linuxserver.io/ubuntu/ -r \
     requirements.txt -r \
     optional-requirements.txt && \
   echo "***install kepubify" && \
diff --git a/README.md b/README.md
index 6446a77..24bd8e0 100644
--- a/README.md
+++ b/README.md
@@ -262,6 +262,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **04.11.21:** - Fix pip arguments
 * **10.02.21:** - Add libxrandr2
 * **25.01.21:** - Add nightly tag
 * **19.01.21:** - Add python3-pkg-resources
diff --git a/readme-vars.yml b/readme-vars.yml
index 9377974..d0a8575 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -77,6 +77,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "04.11.21:", desc: "Fix pip arguments"}
   - { date: "10.02.21:", desc: "Add libxrandr2"}
   - { date: "25.01.21:", desc: "Add nightly tag"}
   - { date: "19.01.21:", desc: "Add python3-pkg-resources"}