diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 834e55f..bd794fd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,7 +21,7 @@ jobs:
         run: brew update && brew install openssl crystal
       - name: Build the binary
         env:
-          LLVM_CONFIG: /usr/local/opt/llvm@15/bin/llvm-config
+          LLVM_CONFIG: /usr/local/opt/llvm@17/bin/llvm-config
         run: shards build crystalline --release --no-debug -Dpreview_mt --stats --progress --ignore-crystal-version
       - name: Upload a Build Artifact
         uses: actions/upload-artifact@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e2bed00..69a2a9b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
         run: shards install --production --ignore-crystal-version
       - name: Build the binary
         env:
-          LLVM_CONFIG: /usr/local/opt/llvm@15/bin/llvm-config
+          LLVM_CONFIG: /usr/local/opt/llvm@17/bin/llvm-config
         run: shards build crystalline --release --no-debug -Dpreview_mt --stats --progress --ignore-crystal-version
       - name: Upload a Build Artifact
         uses: actions/upload-artifact@v2
diff --git a/Dockerfile b/Dockerfile
index 7704f85..32d210a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM crystallang/crystal:1.10.0-alpine
+FROM crystallang/crystal:1.11.0-alpine
 
 WORKDIR /app
 
@@ -9,7 +9,7 @@ RUN apk add --update --no-cache --force-overwrite \
 # Build crystalline.
 COPY . /app/
 
-RUN git clone -b 1.10.0 --depth=1 https://github.com/crystal-lang/crystal \
+RUN git clone -b 1.11.0 --depth=1 https://github.com/crystal-lang/crystal \
       && make -C crystal llvm_ext \
       && CRYSTAL_PATH=crystal/src:lib shards build crystalline \
       --no-debug --progress --stats --production --static --release \
diff --git a/README.md b/README.md
index 5759b7c..a7312ca 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,8 @@ Building from source does take a long time._
 
 | Crystal    | Crystalline |
 | ---------- | ----------- |
-| **1.10.x** | **0.11**    |
+| **1.11.x** | **0.12**    |
+| 1.10       | 0.11        |
 | 1.9        | 0.10        |
 | 1.8        | 0.9         |
 | 1.7        | 0.8         |