diff --git a/Jenkinsfile b/Jenkinsfile
index 6eab16a768..3b552f7230 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -48,7 +48,7 @@ quayCreds = [
   )
 ]
 
-defaultBuilderImage = 'quay.io/coreos/tectonic-builder:v1.45'
+defaultBuilderImage = 'quay.io/coreos/tectonic-builder:v1.46'
 tectonicSmokeTestEnvImage = 'quay.io/coreos/tectonic-smoke-test-env:v5.16'
 tectonicBazelImage = 'quay.io/coreos/tectonic-builder:bazel-v0.3'
 originalCommitId = 'UNKNOWN'
diff --git a/images/tectonic-builder/Dockerfile b/images/tectonic-builder/Dockerfile
index eec9d82ad9..0520713d34 100644
--- a/images/tectonic-builder/Dockerfile
+++ b/images/tectonic-builder/Dockerfile
@@ -19,9 +19,7 @@ RUN go get -u github.com/golang/lint/golint
 RUN go get github.com/jstemmer/go-junit-report
 
 ### Tools used by 'make structure-check'
-RUN go get github.com/segmentio/terraform-docs
-RUN go get github.com/coreos/tectonic-installer/contrib/terraform-examples && \
-    rm -rf /go/src/github.com/coreos/tectonic-installer/
+RUN rm -rf /go/src/github.com/coreos/tectonic-installer/
 RUN go get github.com/bronze1man/yaml2json
 
 ### License parser
diff --git a/images/tectonic-builder/Dockerfile.bazel b/images/tectonic-builder/Dockerfile.bazel
index f5aed1021a..d5510ab1da 100644
--- a/images/tectonic-builder/Dockerfile.bazel
+++ b/images/tectonic-builder/Dockerfile.bazel
@@ -1,12 +1,18 @@
 FROM openjdk:8
+ENV BAZEL_VERSION="0.12.0"
 
 RUN echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt testing jdk1.8" | \
     tee /etc/apt/sources.list.d/bazel.list && \
     curl https://bazel.build/bazel-release.pub.gpg | apt-key add -
 
-RUN apt-get update \
-    && apt-get -y install bazel \
-    && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    bash-completion \
+    g++ \
+    zlib1g-dev \
+    && curl -LO "https://github.com/bazelbuild/bazel/releases/download/${BAZEL_VERSION}/bazel_${BAZEL_VERSION}-linux-x86_64.deb" \
+    && dpkg -i bazel_*.deb
+
+RUN apt --fix-broken install -y
 
 # Install Chrome for installer gui tests
 # Use Chrome beta because v60 or higher is needed for headless mode