diff --git a/.github/workflows/release_linux.yml b/.github/workflows/release_linux.yml
index b5b1d46..371dd13 100644
--- a/.github/workflows/release_linux.yml
+++ b/.github/workflows/release_linux.yml
@@ -25,7 +25,7 @@ jobs:
         . build/bin/activate
         python -m pip install pip==22.2.2 setuptools==65.3.0
         pip install -r requirements.txt
-        pip install PyInstaller==5.3
+        pip install PyInstaller==5.4.1
     - name: Build binary
       run: |
         . build/bin/activate
diff --git a/.github/workflows/release_macos.yml b/.github/workflows/release_macos.yml
index 5908015..1118f9f 100644
--- a/.github/workflows/release_macos.yml
+++ b/.github/workflows/release_macos.yml
@@ -20,7 +20,7 @@ jobs:
       run: |
         python -m pip install pip==22.2.2 setuptools==65.3.0
         pip install -r requirements.txt
-        pip install PyInstaller==5.3
+        pip install PyInstaller==5.4.1
     - name: Build binary
       run: |
         pyinstaller --onefile -n nanovna-saver nanovna-saver.py
diff --git a/.github/workflows/release_win.yml b/.github/workflows/release_win.yml
index cd87834..c0e0356 100644
--- a/.github/workflows/release_win.yml
+++ b/.github/workflows/release_win.yml
@@ -24,7 +24,7 @@ jobs:
       run: |
         python -m pip install pip==22.2.2 setuptools==65.3.0
         pip install -r requirements.txt
-        pip install PyInstaller==5.3
+        pip install PyInstaller==5.4.1
     - name: Build binary
       run: |
         pyinstaller --onefile -n nanovna-saver.exe nanovna-saver.py
diff --git a/NanoVNASaver/About.py b/NanoVNASaver/About.py
index 8a89207..045c169 100644
--- a/NanoVNASaver/About.py
+++ b/NanoVNASaver/About.py
@@ -17,7 +17,7 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-VERSION = "0.5.3"
+VERSION = "0.5.4-pre"
 VERSION_URL = (
     "https://raw.githubusercontent.com/"
     "NanoVNA-Saver/nanovna-saver/master/NanoVNASaver/About.py")
diff --git a/requirements.txt b/requirements.txt
index 13e77d3..1fce332 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pyserial==3.5
 PyQt5==5.15.7
-numpy==1.23.2
+numpy==1.23.3
 scipy==1.9.1
 Cython==0.29.32