diff --git a/Examples/docker/Dockerfile.base.ubuntu.18.04 b/Examples/docker/Dockerfile.base.ubuntu.18.04
index 2a66d7a..6f2223c 100644
--- a/Examples/docker/Dockerfile.base.ubuntu.18.04
+++ b/Examples/docker/Dockerfile.base.ubuntu.18.04
@@ -50,12 +50,12 @@ RUN apt-get update -y && apt-get install -y \
 # set versions of libraries used and some paths
 ENV ROOTDIR /usr/local/
 ENV GDAL_VERSION 2.4.0
-ENV CMAKE_VERSION 3.14.3
+ENV CMAKE_VERSION 3.15.0
 ENV POCO_VERSION 1.9.0
 ENV BOOST_VERSION 1_69_0
 ENV BOOST_VERSION_DOT 1.69.0
 ENV FMT_VERSION 5.3.0
-ENV SQLITE_VERSION 3270200
+ENV SQLITE_VERSION 3370200
 
 # set environment variables
 ENV PATH /usr/local/bin:$PATH
@@ -90,7 +90,8 @@ RUN cd src && tar -xzf poco-${POCO_VERSION}.tar.gz && cd poco-${POCO_VERSION} \
     && cd $ROOTDIR
 
 ## Boost
-ADD https://dl.bintray.com/boostorg/release/${BOOST_VERSION_DOT}/source/boost_${BOOST_VERSION}.tar.bz2 $ROOTDIR/src/
+ADD https://liquidtelecom.dl.sourceforge.net/project/boost/boost/\ 
+${BOOST_VERSION_DOT}/boost_${BOOST_VERSION}.tar.bz2 $ROOTDIR/src/
 RUN cd src && tar --bzip2 -xf boost_${BOOST_VERSION}.tar.bz2 && cd boost_${BOOST_VERSION}  \
     && ./bootstrap.sh --prefix=/usr/local \
     && ./b2 -j $NUM_CPU cxxstd=14 install \
@@ -110,9 +111,9 @@ RUN cd src &&  mkdir libfmt-${FMT_VERSION} && tar -xzf ${FMT_VERSION}.tar.gz -C
 #RUN cd src && tar -xzf sqlite-autoconf-${SQLITE_VERSION}.tar.gz -C /usr/include/ \
 #    && cd $ROOTDIR && rm -Rf src/sqlite*
 
-ADD https://www.sqlite.org/2019/sqlite-autoconf-${SQLITE_VERSION}.tar.gz $ROOTDIR/src/
-RUN cd src && tar -xzf sqlite-autoconf-${SQLITE_VERSION}.tar.gz -C /usr/local/ \
-	&& cp /usr/local/sqlite-autoconf-${SQLITE_VERSION}/sqlite3.c /usr/include/ \
+ADD https://www.sqlite.org/2022/\sqlite-autoconf-${SQLITE_VERSION}.tar.gz $ROOTDIR/src/
+RUN cd src && tar -xzf sqlite-autoconf-${SQLITE_VERSION}.tar.gz -C /usr/local \
+	&& cp /usr/local/sqlite-autoconf-${SQLITE_VERSION}/sqlite3.c /usr/include \
     && cd $ROOTDIR && rm -Rf src/sqlite*
 
 ## gdal
@@ -147,4 +148,3 @@ RUN wget https://sourceforge.net/projects/turtle/files/turtle/1.3.1/turtle-1.3.1
 
 #ADD http://downloads.sourceforge.net/project/turtle/turtle/1.3.1/turtle-1.3.1.tar.bz2 $ROOTDIR/src/
 #RUN tar xvf turtle-1.3.0.tar.bz2 -C /usr/local/
-WORKDIR $ROOTDIR/src