diff --git a/.github/workflows/TagBot.yml b/.github/workflows/TagBot.yml
new file mode 100644
index 0000000..d77d3a0
--- /dev/null
+++ b/.github/workflows/TagBot.yml
@@ -0,0 +1,11 @@
+name: TagBot
+on:
+  schedule:
+    - cron: 0 * * * *
+jobs:
+  TagBot:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: JuliaRegistries/TagBot@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/runtests.yml b/.github/workflows/runtests.yml
new file mode 100644
index 0000000..e4c950e
--- /dev/null
+++ b/.github/workflows/runtests.yml
@@ -0,0 +1,42 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        version:
+          - '1.3'
+          - '1.5'
+          - 'nightly'
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+        arch:
+          - x64
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: julia-actions/julia-buildpkg@latest
+      - uses: julia-actions/julia-runtest@latest
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: ./lcov.info
+          flags: unittests
+          name: codecov-umbrella
+          fail_ci_if_error: false
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.travis.yml b/.travis.yml
index d35e751..8625911 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,19 +4,14 @@ os:
   - linux
   - osx
 julia:
-  - 1.0
-  - 1.4
+  - 1.3
   - 1.5
   - nightly
 notifications:
-  email: true
+  email: false
 matrix:
   fast_finish: true
   allow_failures:
     - julia: nightly
 
-script:
-  - julia -e 'using Pkg; Pkg.add(PackageSpec(url="https://github.com/kalmarek/Groups.jl")); Pkg.build(); Pkg.test(coverage=true);'
-  - julia --color=yes -e "if VERSION < v\"0.7.0-DEV.5183\"; cd(Pkg.dir(\"${JL_PKG}\")); else using Pkg; end; Pkg.add(\"Coverage\"); using Coverage; Codecov.submit(process_folder())"
-
 codecov: true
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..36308ed
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,7 @@
+Copyright 2020 Marek Kaluba
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/LICENSE.md b/LICENSE.md
deleted file mode 100644
index c51c629..0000000
--- a/LICENSE.md
+++ /dev/null
@@ -1,22 +0,0 @@
-The GroupRings.jl package is licensed under the MIT "Expat" License:
-
-> Copyright (c) 2017: kalmar.
->
-> Permission is hereby granted, free of charge, to any person obtaining a copy
-> of this software and associated documentation files (the "Software"), to deal
-> in the Software without restriction, including without limitation the rights
-> to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-> copies of the Software, and to permit persons to whom the Software is
-> furnished to do so, subject to the following conditions:
->
-> The above copyright notice and this permission notice shall be included in all
-> copies or substantial portions of the Software.
->
-> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-> IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-> FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-> AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-> LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-> OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-> SOFTWARE.
->
diff --git a/Project.toml b/Project.toml
index f37d5b5..5abeb18 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "GroupRings"
 uuid = "0befed6a-bd73-11e8-1e41-a1190947c2f5"
 authors = ["Marek Kaluba <kalmar@amu.edu.pl>"]
-version = "0.3.3"
+version = "0.3.4"
 
 [deps]
 AbstractAlgebra = "c3fe647b-3220-5bb0-a1ea-a7954cac585d"
@@ -10,11 +10,12 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [compat]
-AbstractAlgebra = "^0.9.0"
+AbstractAlgebra = "^0.10.0"
+Groups = "^0.5.0"
+julia = "1.3, 1.4, 1.5"
 
 [extras]
-Groups = "5d8bd718-bd84-11e8-3b40-ad14f4a32557"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test", "Groups"]
+test = ["Test"]
diff --git a/test/runtests.jl b/test/runtests.jl
index 5bc76ac..70b0b53 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -49,7 +49,7 @@ using SparseArrays
       S = gens(F)
       append!(S, [inv(s) for s in S])
 
-      basis, sizes = Groups.generate_balls(S, one(F), radius=4)
+      basis, sizes = Groups.wlmetric_ball(S, one(F), radius=4)
       d = GroupRings.reverse_dict(basis)
       @test_throws KeyError create_pm(basis)
       pm = create_pm(basis, d, sizes[2])
@@ -120,7 +120,7 @@ using SparseArrays
          E(M, i,j) = (e_ij = one(M); e_ij[i,j] = 1; e_ij)
          S = [E(M, i,j) for i in 1:N for j in 1:N if i≠j]
          S = unique([S; inv.(S)])
-         E_R, sizes = Groups.generate_balls(S, radius=2*halfradius)
+         E_R, sizes = Groups.wlmetric_ball(S, radius=2*halfradius)
          E_rdict = GroupRings.reverse_dict(E_R)
          pm = GroupRings.create_pm(E_R, E_rdict, sizes[halfradius]; twisted=true);
 
@@ -260,7 +260,7 @@ using SparseArrays
 
       ID = one(G)
       RADIUS=3
-      @time E_R, sizes = Groups.generate_balls(S, ID, radius=2*RADIUS);
+      @time E_R, sizes = Groups.wlmetric_ball(S, ID, radius=2*RADIUS);
       @test sizes == [9, 65, 457, 3201, 22409, 156865]
       E_rdict = GroupRings.reverse_dict(E_R)
       pm = GroupRings.create_pm(E_R, E_rdict, sizes[RADIUS]; twisted=true);