diff --git a/misc/requirements/requirements-pyinstaller.txt b/misc/requirements/requirements-pyinstaller.txt
index f8cae3e56..9b16d9413 100644
--- a/misc/requirements/requirements-pyinstaller.txt
+++ b/misc/requirements/requirements-pyinstaller.txt
@@ -1,5 +1,3 @@
 # This file is automatically generated by scripts/dev/recompile_requirements.py
 
 -e git+https://github.com/pyinstaller/pyinstaller.git@develop#egg=PyInstaller
-PyQt5==5.8.1
-sip==4.19.1
diff --git a/misc/requirements/requirements-pyinstaller.txt-raw b/misc/requirements/requirements-pyinstaller.txt-raw
index bf06fc84e..5ccd44ec7 100644
--- a/misc/requirements/requirements-pyinstaller.txt-raw
+++ b/misc/requirements/requirements-pyinstaller.txt-raw
@@ -1,5 +1,4 @@
 -e git+https://github.com/pyinstaller/pyinstaller.git@develop#egg=PyInstaller
-PyQt5
 
 # remove @commit-id for scm installs
 #@ replace: @.*# @develop#
\ No newline at end of file
diff --git a/misc/requirements/requirements-pyqt.txt b/misc/requirements/requirements-pyqt.txt
new file mode 100644
index 000000000..bb4801264
--- /dev/null
+++ b/misc/requirements/requirements-pyqt.txt
@@ -0,0 +1,4 @@
+# This file is automatically generated by scripts/dev/recompile_requirements.py
+
+PyQt5==5.8.1
+sip==4.19.1
diff --git a/misc/requirements/requirements-pyqt.txt-raw b/misc/requirements/requirements-pyqt.txt-raw
new file mode 100644
index 000000000..37a69c45a
--- /dev/null
+++ b/misc/requirements/requirements-pyqt.txt-raw
@@ -0,0 +1 @@
+PyQt5
\ No newline at end of file
diff --git a/misc/requirements/requirements-tests.txt b/misc/requirements/requirements-tests.txt
index ac19c7edc..51132ac0d 100644
--- a/misc/requirements/requirements-tests.txt
+++ b/misc/requirements/requirements-tests.txt
@@ -13,7 +13,7 @@ hypothesis==3.6.1
 itsdangerous==0.24
 # Jinja2==2.9.5
 Mako==1.0.6
-# MarkupSafe==0.23
+# MarkupSafe==1.0
 parse==1.8.0
 parse-type==0.3.4
 py==1.4.32
diff --git a/tox.ini b/tox.ini
index b17ddf098..9b720c84c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -97,7 +97,7 @@ setenv =
 passenv = {[testenv]passenv}
 deps =
     {[testenv]deps}
-    PyQt5==5.8.0
+    PyQt5==5.8.1
 commands = {envpython} scripts/dev/run_pytest.py {posargs:tests}
 
 [testenv:py36-pyqt58]
@@ -146,7 +146,7 @@ commands = {envpython} -c ""
 usedevelop = true
 deps =
     -r{toxinidir}/requirements.txt
-    PyQt5
+    -r{toxinidir}/misc/requirements/requirements-pyqt.txt
 
 [testenv:unittests-frozen]
 # cx_Freeze doesn't support Python 3.5 yet
@@ -258,6 +258,7 @@ basepython = python3
 deps =
     -r{toxinidir}/requirements.txt
     -r{toxinidir}/misc/requirements/requirements-pyinstaller.txt
+    -r{toxinidir}/misc/requirements/requirements-pyqt.txt
 whitelist_externals =
     patch
     wget