diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 67b4879..a62b6e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,6 +51,7 @@ jobs:
           - 3.4.1-RC1
           - 3.4.1
           - 3.4.2
+          - 3.5.0-RC1
         java: [temurin@8]
     runs-on: ${{ matrix.os }}
     steps:
@@ -384,6 +385,16 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
+      - name: Download target directories (3.5.0-RC1)
+        uses: actions/download-artifact@v3
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3.5.0-RC1
+
+      - name: Inflate target directories (3.5.0-RC1)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
       - name: Import signing key
         if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
         run: echo $PGP_SECRET | base64 -di | gpg --import
diff --git a/.mergify.yml b/.mergify.yml
index 773a09d..9285954 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -25,6 +25,7 @@ pull_request_rules:
   - status-success="Build and Test (ubuntu-latest, 3.4.1-RC1, temurin@8)"
   - status-success="Build and Test (ubuntu-latest, 3.4.1, temurin@8)"
   - status-success="Build and Test (ubuntu-latest, 3.4.2, temurin@8)"
+  - status-success="Build and Test (ubuntu-latest, 3.5.0-RC1, temurin@8)"
   actions:
     merge:
       method: merge
diff --git a/README.md b/README.md
index af0925b..9f7f3bc 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ In scala-cli:
 (note: versions before `0.3.8` were published under the `com.kubukoz` organization instead of `org.polyvariant`)
 
 <!-- SCALA VERSIONS START -->
-The plugin is currently published for the following 22 Scala versions:
+The plugin is currently published for the following 23 Scala versions:
 
 - 2.12.15, 2.12.17, 2.12.18, 2.12.19
 - 2.13.10, 2.13.11, 2.13.12, 2.13.13, 2.13.14
@@ -47,6 +47,7 @@ The plugin is currently published for the following 22 Scala versions:
 - 3.2.2
 - 3.3.0-RC6, 3.3.0, 3.3.1-RC1, 3.3.1, 3.3.2-RC1, 3.3.3
 - 3.4.0-RC1, 3.4.0, 3.4.1-RC1, 3.4.1, 3.4.2
+- 3.5.0-RC1
 <!-- SCALA VERSIONS END -->
 
 For older Scala versions, see [previous versions of better-tostring](https://repo1.maven.org/maven2/org/polyvariant) ([or even older versions](https://repo1.maven.org/maven2/com/kubukoz)).
diff --git a/project/build.properties b/project/build.properties
index 04267b1..081fdbb 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.9
+sbt.version=1.10.0
diff --git a/scala-versions b/scala-versions
index 683efdf..49d1ada 100644
--- a/scala-versions
+++ b/scala-versions
@@ -20,3 +20,4 @@
 3.4.1-RC1
 3.4.1
 3.4.2
+3.5.0-RC1