diff --git a/docker/Dockerfile b/docker/Dockerfile
index 31760d71..96f844fe 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM crystallang/crystal:0.35.0-alpine AS builder
+FROM crystallang/crystal:0.35.1-alpine AS builder
 RUN apk add --no-cache curl sqlite-static
 WORKDIR /invidious
 COPY ./shard.yml ./shard.yml
@@ -8,7 +8,7 @@ RUN shards update && shards install && \
     # https://github.com/omarroth/lsquic-alpine/blob/master/APKBUILD,
     # https://github.com/omarroth/lsquic.cr/issues/1#issuecomment-631610081
     # for details building static lib
-    curl -Lo ./lib/lsquic/src/lsquic/ext/liblsquic.a https://omar.yt/lsquic/liblsquic.a
+    curl -Lo ./lib/lsquic/src/lsquic/ext/liblsquic.a https://omar.yt/lsquic/liblsquic-v2.18.1.a
 COPY ./src/ ./src/
 # TODO: .git folder is required for building – this is destructive.
 # See definition of CURRENT_BRANCH, CURRENT_COMMIT and CURRENT_VERSION.
diff --git a/shard.yml b/shard.yml
index 2a8836d6..952020fb 100644
--- a/shard.yml
+++ b/shard.yml
@@ -17,7 +17,7 @@ dependencies:
     version: ~> 0.16.0
   kemal:
     github: kemalcr/kemal
-    branch: master
+    commit: dfe7dca08f4c9a9456d6132af5f6b59fcd6865e4
   pool:
     github: ysbaddaden/pool
     version: ~> 0.2.3