diff --git a/17/Dockerfile b/17/Dockerfile
index b2b987d5..dbe23036 100644
--- a/17/Dockerfile
+++ b/17/Dockerfile
@@ -4,7 +4,12 @@ ENV OTP_VERSION 17.5.6.4
 ENV OTP_DOWNLOAD_SHA1 8436bbc750dc90580842e907f911255228d2d070
 ENV LANG C.UTF-8
 
-RUN set -xe \
+# We'll install the build dependencies for erlang-odbc along with the erlang
+# build process:
+RUN buildDeps='unixodbc-dev' \
+	&& set -xe \
+	&& apt-get update \
+	&& apt-get install -y --no-install-recommends $buildDeps \
 	&& mkdir -p /usr/src/otp-src \
 	&& curl -fSL -o otp-src.tar.gz "https://github.com/erlang/otp/archive/OTP-$OTP_VERSION.tar.gz" \
 	&& echo "$OTP_DOWNLOAD_SHA1 otp-src.tar.gz" | sha1sum -c - \
diff --git a/18/Dockerfile b/18/Dockerfile
index 4f7701b5..97ba9c14 100644
--- a/18/Dockerfile
+++ b/18/Dockerfile
@@ -4,7 +4,12 @@ ENV OTP_VERSION 18.1.3
 ENV OTP_DOWNLOAD_SHA1 981e6c03c0a310483e6c14edb7dd2acaa842e2f8
 ENV LANG C.UTF-8
 
-RUN set -xe \
+# We'll install the build dependencies for erlang-odbc along with the erlang
+# build process:
+RUN buildDeps='unixodbc-dev' \
+	&& set -xe \
+	&& apt-get update \
+	&& apt-get install -y --no-install-recommends $buildDeps \
 	&& mkdir -p /usr/src/otp-src \
 	&& curl -fSL -o otp-src.tar.gz "https://github.com/erlang/otp/archive/OTP-$OTP_VERSION.tar.gz" \
 	&& echo "$OTP_DOWNLOAD_SHA1 otp-src.tar.gz" | sha1sum -c - \