update dependencies

src/requirements/dev.txt

@@ -1,4 +1,4 @@
-flake8>=3.5,<3.6
-pycodestyle>=2.3,<2.4
+flake8==3.7.9
+pycodestyle==2.5.0
 isort
 django-debug-toolbar

src/requirements/htmlmin.txt

@@ -1 +1 @@
-django-htmlmin>=0.10,<0.11
+django-htmlmin==0.11.0

src/requirements/opengl.txt

@@ -1 +1 @@
-ModernGL>=5.4,<5.5
+ModernGL==5.5.4

src/requirements/production.txt

@@ -1,17 +1,17 @@
-Django>=2.1,<2.2
-django-bootstrap3>=11.0,<11.1
-django-compressor==2.2
-csscompressor
-djangorestframework>=3.9,<3.10
-django-filter>=2.0,<2.1
-shapely>=1.6,<1.7
-pybind11>=2.2,<2.3
-MeshPy>=2018.2,<2018.3
-rtree>=0.8,<0.9
-celery>=4.2,<4.3
-requests>=2.19,<2.20
-Pillow>=6.2,<6.3
-qrcode>=6.0,<6.1
-matplotlib>=2.2,<2.3
-scipy>=1.1,<1.2
-django_libsass>=0.7,<0.8
+Django==2.2.8
+django-bootstrap3==12.0.0
+django-compressor==2.3
+csscompressor==0.9.5
+djangorestframework==3.10.3
+django-filter==2.2.0
+shapely==1.6.4.post2
+pybind11==2.4.3
+MeshPy==2018.2.1
+# rtree==0.9.1
+celery==4.3.0
+requests==2.22.0
+Pillow==6.2.1
+qrcode==6.1
+matplotlib==3.1.2
+scipy==1.3.3
+django_libsass==0.7

src/requirements/redis.txt

@@ -1,2 +1,2 @@
-django-redis>=4.9,<4.10
-redis>=2.10,<2.11
+django-redis==4.10.0
+redis==3.3.11

src/requirements/rsvg.txt

@@ -1,2 +1,2 @@
 pgi==0.0.11.2
-cairocffi>=0.9,<0.10
+cairocffi==1.1.0

src/requirements/sentry.txt

@@ -1 +1 @@
-sentry-sdk>=0.6.2,<0.7
+sentry-sdk==0.13.5