diff --git a/Dockerfile.compute-node b/Dockerfile.compute-node
index 950ec16016..2e031b17da 100644
--- a/Dockerfile.compute-node
+++ b/Dockerfile.compute-node
@@ -1,4 +1,7 @@
 ARG TAG=pinned
+# apparently, ARGs don't get replaced in RUN commands in kaniko
+# ARG POSTGIS_VERSION=3.3.0
+# ARG PLV8_VERSION=3.1.4
 
 FROM debian:bullseye-slim AS build-deps
 RUN apt update &&  \
@@ -24,9 +27,9 @@ COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 RUN apt update && \
     apt install -y gdal-bin libgdal-dev libprotobuf-c-dev protobuf-c-compiler xsltproc wget
 
-RUN wget https://download.osgeo.org/postgis/source/postgis-3.2.3.tar.gz && \
-    tar xvzf postgis-3.2.3.tar.gz && \
-    cd postgis-3.2.3 && \
+RUN wget https://download.osgeo.org/postgis/source/postgis-3.3.0.tar.gz && \
+    tar xvzf postgis-3.3.0.tar.gz && \
+    cd postgis-3.3.0 && \
     ./autogen.sh && \
     export PATH="/usr/local/pgsql/bin:$PATH" && \
     ./configure && \
@@ -52,18 +55,18 @@ RUN echo "deb http://ftp.debian.org/debian testing main" >> /etc/apt/sources.lis
     apt update && \
     apt install -y --no-install-recommends -t testing binutils
 
-RUN wget https://github.com/plv8/plv8/archive/refs/tags/v3.1.3.tar.gz && \
-    tar xvzf v3.1.3.tar.gz && \
-    cd plv8-3.1.3 && \
+RUN wget https://github.com/plv8/plv8/archive/refs/tags/v3.1.4.tar.gz && \
+    tar xvzf v3.1.4.tar.gz && \
+    cd plv8-3.1.4 && \
     export PATH="/usr/local/pgsql/bin:$PATH" && \
-    make && \
-    make install && \
+    make -j $(getconf _NPROCESSORS_ONLN) && \
+    make -j $(getconf _NPROCESSORS_ONLN) install && \
     rm -rf /plv8-* && \
     echo 'trusted = true' >> /usr/local/pgsql/share/extension/plv8.control
 
 # compile neon extensions
 FROM build-deps AS neon-pg-ext-build
-COPY --from=plv8-build /usr/local/pgsql/ /usr/local/pgsql/
+COPY --from=postgis-build /usr/local/pgsql/ /usr/local/pgsql/
 COPY pgxn/ pgxn/
 
 RUN make -j $(getconf _NPROCESSORS_ONLN) \