diff --git a/.travis.yml b/.travis.yml
index df99044..308db6a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,14 +7,14 @@ matrix:
   include:
 
   # Builds with wasm-pack.
-  - rust: beta
+  - rust: stable
     env: RUST_BACKTRACE=1
     addons:
       firefox: latest
       chrome: stable
     before_script:
       - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
-      - (test -x $HOME/.cargo/bin/cargo-generate || cargo install --vers "^0.2" cargo-generate)
+      - (test -x $HOME/.cargo/bin/cargo-generate || cargo install --vers "0.2.2" cargo-generate)
       - cargo install-update -a
       - curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh -s -- -f
     script:
@@ -27,11 +27,11 @@ matrix:
       - wasm-pack test --chrome --firefox --headless
 
   # Builds on nightly.
-  - rust: nightly
+  - rust: stable
     env: RUST_BACKTRACE=1
     before_script:
       - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
-      - (test -x $HOME/.cargo/bin/cargo-generate || cargo install --vers "^0.2" cargo-generate)
+      - (test -x $HOME/.cargo/bin/cargo-generate || cargo install --vers "0.2.2" cargo-generate)
       - cargo install-update -a
       - rustup target add wasm32-unknown-unknown
     script:
@@ -48,7 +48,7 @@ matrix:
       - cargo check --target wasm32-unknown-unknown --no-default-features --features "console_error_panic_hook wee_alloc"
 
   # Builds on beta.
-  - rust: beta
+  - rust: stable
     env: RUST_BACKTRACE=1
     before_script:
       - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)