diff --git a/README.md b/README.md
index 2c6ed4c..84eed36 100644
--- a/README.md
+++ b/README.md
@@ -40,9 +40,7 @@ bwa|0.7.15-r1140|docker pull pgc-images.sbgenomics.com/d3b-bixu/bwa:0.7.15-r1140
 bwa|0.7.17-r1188|docker pull pgc-images.sbgenomics.com/d3b-bixu/bwa:0.7.17-r1188
 bwa|latest|docker pull pgc-images.sbgenomics.com/d3b-bixu/bwa:latest
 canvas|1.11.0|docker pull pgc-images.sbgenomics.com/d3b-bixu/canvas:1.11.0
-cbio-etl|v2.2.0|docker pull pgc-images.sbgenomics.com/d3b-bixu/cbio-etl:v2.2.0
-cbio-etl|v2.4.1|docker pull pgc-images.sbgenomics.com/d3b-bixu/cbio-etl:v2.4.1
-cbio-etl|v2.4.3|docker pull pgc-images.sbgenomics.com/d3b-bixu/cbio-etl:v2.4.3
+cbio-etl|v2.4.4|docker pull pgc-images.sbgenomics.com/d3b-bixu/cbio-etl:v2.4.4
 cellranger|3.1|docker pull pgc-images.sbgenomics.com/d3b-bixu/cellranger:3.1
 cellranger|5.0|docker pull pgc-images.sbgenomics.com/d3b-bixu/cellranger:5.0
 cellranger|6.0|docker pull pgc-images.sbgenomics.com/d3b-bixu/cellranger:6.0
diff --git a/cbio-etl/v2.2.0/Dockerfile b/cbio-etl/v2.2.0/Dockerfile
deleted file mode 100644
index 12992a0..0000000
--- a/cbio-etl/v2.2.0/Dockerfile
+++ /dev/null
@@ -1,27 +0,0 @@
-FROM --platform=linux/amd64 ubuntu:22.04
-
-LABEL maintainer="Jessica Wong <wongj4@chop.edu>"
-LABEL description="cbio-etl"
-
-RUN apt-get update && apt-get install -y \
-    apt-utils \
-    curl \
-    python3 \
-    python3-pip \
-    python3-dev \
-    pkg-config \
-    libmysqlclient-dev \
-    build-essential \
-    perl \
-    libtry-tiny-perl \
-    bedtools \
-    && rm -rf /var/lib/apt/lists/*
-
-ENV CBIO_ETL_VERSION 2.2.0
-
-WORKDIR /
-
-RUN curl -L https://github.com/kids-first/kf-cbioportal-etl/archive/refs/tags/v${CBIO_ETL_VERSION}.tar.gz | tar xz \
-    && pip install /kf-cbioportal-etl-${CBIO_ETL_VERSION}/
-    
-COPY Dockerfile .
diff --git a/cbio-etl/v2.4.1/Dockerfile b/cbio-etl/v2.4.1/Dockerfile
deleted file mode 100644
index b0407e8..0000000
--- a/cbio-etl/v2.4.1/Dockerfile
+++ /dev/null
@@ -1,34 +0,0 @@
-FROM --platform=linux/amd64 ubuntu:22.04
-
-LABEL maintainer="Jessica Wong <wongj4@chop.edu>"
-LABEL description="cbio-etl"
-
-RUN apt-get update && apt-get install -y \
-    apt-utils \
-    git \
-    curl \
-    vim \
-    python3 \
-    python3-pip \
-    python3-dev \
-    pkg-config \
-    libmysqlclient-dev \
-    build-essential \
-    bedtools \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN python3 -m pip install --upgrade pip setuptools wheel
-
-WORKDIR /
-
-ENV CBIO_ETL_VERSION 2.4.1
-ENV CBIO_REFS_VERSION 1.1.0
-
-RUN git clone https://github.com/kids-first/kf-cbioportal-etl.git \
-    && cd kf-cbioportal-etl \
-    && git checkout v${CBIO_ETL_VERSION} \
-    && curl -L https://github.com/kids-first/kf-cbioportal-etl-refs/archive/refs/tags/v${CBIO_REFS_VERSION}.tar.gz | tar -xz -C cbioportal_etl/ --wildcards '*REFS/*' --strip-components=1 \
-    && curl -L https://github.com/kids-first/kf-cbioportal-etl-refs/archive/refs/tags/v${CBIO_REFS_VERSION}.tar.gz | tar -xz -C cbioportal_etl/ --wildcards '*STUDY_CONFIGS/*' --strip-components=1 \
-    && pip install .
-    
-COPY Dockerfile .
diff --git a/cbio-etl/v2.4.3/Dockerfile b/cbio-etl/v2.4.4/Dockerfile
similarity index 97%
rename from cbio-etl/v2.4.3/Dockerfile
rename to cbio-etl/v2.4.4/Dockerfile
index 1d3e6e8..dd69518 100644
--- a/cbio-etl/v2.4.3/Dockerfile
+++ b/cbio-etl/v2.4.4/Dockerfile
@@ -21,7 +21,7 @@ RUN python3 -m pip install --upgrade pip setuptools wheel
 
 WORKDIR /
 
-ENV CBIO_ETL_VERSION=2.4.3
+ENV CBIO_ETL_VERSION=2.4.4
 ENV CBIO_REFS_VERSION=1.1.1
 
 RUN git clone https://github.com/kids-first/kf-cbioportal-etl.git \