diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 983aded9..cccad55d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -95,6 +95,6 @@ jobs:
         if: matrix.os == 'ubuntu-latest'
         run: |
           sudo apt-get update &&
-          sudo apt-get install --allow-downgrades libudev-dev pkg-config libvulkan-dev &&
+          sudo apt-get install libudev-dev libfontconfig1-dev &&
           cd gui &&
           cargo test --verbose --color always -- --nocapture
diff --git a/doc/BUILD.md b/doc/BUILD.md
index 2f992674..26bac029 100644
--- a/doc/BUILD.md
+++ b/doc/BUILD.md
@@ -78,14 +78,12 @@ $ ls target/release/
 build  deps  examples  incremental  liana-cli  liana-cli.d  lianad  lianad.d  libliana.d  libliana.rlib
 ```
 
-Depencies needed for build GUI can be found [there](https://github.com/wizardsardine/liana/tree/master/gui#dependencies)
-
-To build the GUI, do the same but in the [`gui/`](../gui/) folder present at the root of the
-repository:
+To build the GUI you'll need to first install its [build and runtime
+dependencies](https://github.com/wizardsardine/liana/tree/master/gui#dependencies), then do the same
+but in the [`gui/`](../gui/) folder present at the root of the repository:
 ```
 $ cd gui/
 $ cargo build --release
 $ ls target/release/
 build  deps  examples  incremental  liana-gui  liana-gui.d  libliana_gui.d  libliana_gui.rlib
 ```
-