diff --git a/.github/workflows/linux_ci.yml b/.github/workflows/linux_ci.yml
index 471f2a2d7..04f02c32d 100644
--- a/.github/workflows/linux_ci.yml
+++ b/.github/workflows/linux_ci.yml
@@ -333,7 +333,7 @@ jobs:
       run: docker run -d -p 19530:19530 -p 19121:19121 milvusdb/milvus:1.1.0-cpu-d050721-5e559c
 
     - name: Install pdftotext
-      run: wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz && tar -xvf xpdf-tools-linux-4.03.tar.gz && sudo cp xpdf-tools-linux-4.03/bin64/pdftotext /usr/local/bin
+      run: wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz && tar -xvf xpdf-tools-linux-4.04.tar.gz && sudo cp xpdf-tools-linux-4.04/bin64/pdftotext /usr/local/bin
 
     - name: Install Dependencies (on cache miss only)
       # The cache might miss during the execution of an action: there should always be a fallback step to
@@ -377,7 +377,7 @@ jobs:
           key: linux-${{ env.date }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/pyproject.toml') }}
 
       - name: Install pdftotext
-        run: wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz && tar -xvf xpdf-tools-linux-4.03.tar.gz && sudo cp xpdf-tools-linux-4.03/bin64/pdftotext /usr/local/bin
+        run: wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz && tar -xvf xpdf-tools-linux-4.04.tar.gz && sudo cp xpdf-tools-linux-4.04/bin64/pdftotext /usr/local/bin
 
       # Haystack needs to be reinstalled at this stage to make sure the current commit's version is the one getting tested.
       # The cache can last way longer than a specific action's run, so older Haystack version could be carried over.
diff --git a/docs/_src/tutorials/tutorials/8.md b/docs/_src/tutorials/tutorials/8.md
index 148027235..5e5634281 100644
--- a/docs/_src/tutorials/tutorials/8.md
+++ b/docs/_src/tutorials/tutorials/8.md
@@ -37,7 +37,7 @@ This tutorial will show you all the tools that Haystack provides to help you cas
 !pip install git+https://github.com/deepset-ai/haystack.git#egg=farm-haystack[colab,ocr]
 
 # For Colab/linux based machines
-!wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz
+!wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz
 !tar -xvf xpdf-tools-linux-4.03.tar.gz && sudo cp xpdf-tools-linux-4.03/bin64/pdftotext /usr/local/bin
 
 # For Macos machines