diff --git a/Dockerfile b/Dockerfile
index 8c9b598cfd..6efba800f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,8 +14,8 @@ RUN apt-get update && apt-get install -y \
     rm -rf /var/lib/apt/lists/*
 
 # Install PDF converter
-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 && 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 && cp xpdf-tools-linux-4.04/bin64/pdftotext /usr/local/bin
 
 # Copy Haystack code
 COPY haystack /home/user/haystack/
diff --git a/Dockerfile-GPU b/Dockerfile-GPU
index c1114f44b2..6f9a2ecf8e 100644
--- a/Dockerfile-GPU
+++ b/Dockerfile-GPU
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y software-properties-common && \
     rm -rf /var/lib/apt/lists/*
 
 # Install PDF converter
-RUN curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.03/bin64/pdftotext
+RUN curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.04/bin64/pdftotext
 
 # Set default Python version
 RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.7 1 && \
diff --git a/Dockerfile-GPU-minimal b/Dockerfile-GPU-minimal
index 5c08dd35e9..34143d4609 100644
--- a/Dockerfile-GPU-minimal
+++ b/Dockerfile-GPU-minimal
@@ -21,8 +21,8 @@ RUN apt-get update && apt-get install -y software-properties-common && \
     # Cleanup apt cache
     rm -rf /var/lib/apt/lists/* && \
     # Install PDF converter
-    curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz \
-    | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.03/bin64/pdftotext
+    curl -s https://dl.xpdfreader.com/xpdf-tools-linux-4.04.tar.gz \
+    | tar -xvzf - -C /usr/local/bin --strip-components=2 xpdf-tools-linux-4.04/bin64/pdftotext
 
 # Copy Haystack package files but not the source code
 COPY setup.py setup.cfg pyproject.toml VERSION.txt LICENSE README.md /home/user/