diff --git a/dev-requirements.txt b/dev-requirements.txt
index 05cb0bf..13e16e6 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,7 +1,7 @@
 DataSounds==1.2.5
-numpy==1.10.4
-pip==8.0.2
-setuptools==20.2
-wheel==0.29.0
-pytest-cov==2.2.1
-pylint==1.5.4
+numpy==1.16.1
+pip==19.0.1
+setuptools==40.8.0
+wheel==0.32.3
+pytest-cov==2.6.1
+pylint==2.2.2
diff --git a/optional-requirements.txt b/optional-requirements.txt
index fc17c1f..ac52b76 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -1,6 +1,6 @@
-GDAL==2.0.1
+GDAL==2.4.0
 http://downloads.sourceforge.net/project/pysclint/pyhdf/0.8.3/pyhdf-0.8.3.tar.gz
 basemap==1.0.7
 SimpleCV==1.3
-pyFluidSynth==1.2.4
-pygame==1.8.1
+pyFluidSynth==1.2.5
+pygame==1.9.4.post1
diff --git a/requirements.txt b/requirements.txt
index f744064..3a4d935 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 DataSounds==1.2.5
-numpy==1.10.4
+numpy==1.16.1