diff --git a/.drone.yml b/.drone.yml
index 2d73a7c..87666f6 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -24,7 +24,7 @@ steps:
   commands:
   - id
   - python -V
-  - apt update && apt install -y gcc git
+  - apt update && apt install -y gcc git libpq-dev
   - pip install -r requirements-dev.txt
   - pytest
 
@@ -71,7 +71,7 @@ steps:
   commands:
   - id
   - python -V
-  - apt update && apt install -y git
+  - apt update && apt install -y git libpq-dev
   - pip install -r requirements-dev.txt
   - pytest
 
@@ -110,7 +110,7 @@ steps:
   commands:
   - id
   - python -V
-  - apt update && apt install -y git
+  - apt update && apt install -y git libpq-dev
   - pip install -r requirements-dev.txt
   - pytest
 
@@ -149,7 +149,7 @@ steps:
   commands:
   - id
   - python -V
-  - apt update && apt install -y git
+  - apt update && apt install -y git libpq-dev
   - pip install -r requirements-dev.txt
   - pytest