diff --git a/lib/text-size/.github/workflows/ci.yaml b/lib/text-size/.github/workflows/ci.yaml
new file mode 100644
index 0000000000..aa0587bd98
--- /dev/null
+++ b/lib/text-size/.github/workflows/ci.yaml
@@ -0,0 +1,36 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+    - master
+    - staging
+    - trying
+
+jobs:
+  rust:
+    name: Rust
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    env:
+      RUSTFLAGS: -D warnings
+      RUSTUP_MAX_RETRIES: 10
+      CARGO_NET_RETRY: 10
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Install Rust toolchain
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        profile: minimal
+
+    - name: Test
+      run: cargo test --features serde
diff --git a/lib/text-size/.travis.yml b/lib/text-size/.travis.yml
deleted file mode 100644
index a7d0a0bc81..0000000000
--- a/lib/text-size/.travis.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-language: rust
-
diff --git a/lib/text-size/bors.toml b/lib/text-size/bors.toml
new file mode 100644
index 0000000000..932be8d090
--- /dev/null
+++ b/lib/text-size/bors.toml
@@ -0,0 +1,6 @@
+status = [
+    "Rust (ubuntu-latest)",
+    "Rust (windows-latest)",
+    "Rust (macos-latest)",
+]
+delete_merged_branches = true