diff --git a/docs/installation.md b/docs/installation.md
index c19965a18..5c6ac001f 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -60,7 +60,7 @@ OS Specific steps are listed first, the [Common](#common) section below is neces
     sudo apt-get update
 
     # install packages
-    sudo apt install -y python3-pip python3-venv python3-pandas git
+    sudo apt install -y python3-pip python3-venv python3-dev python3-pandas git
     ```
 
 === "RaspberryPi/Raspbian"
diff --git a/requirements-hyperopt.txt b/requirements-hyperopt.txt
index 5e7e9d9d2..83e23e3ec 100644
--- a/requirements-hyperopt.txt
+++ b/requirements-hyperopt.txt
@@ -2,7 +2,7 @@
 -r requirements.txt
 
 # Required for hyperopt
-scipy==1.6.3
+scipy==1.7.0
 scikit-learn==0.24.2
 scikit-optimize==0.8.1
 filelock==3.0.12