diff --git a/for_tests/Dockerfile b/for_tests/Dockerfile
index c758d43394987dea97d834d7a9d4ec2135425619..a578332ea2d9c13da8a5ce6ed290d8e53bf38173 100644
--- a/for_tests/Dockerfile
+++ b/for_tests/Dockerfile
@@ -54,7 +54,7 @@ RUN make &&\
     make install
 
 
-# Install prokka:
+# Install dependencies for prokka:
 WORKDIR /install_dir
 RUN DEBIAN_FRONTEND="noninteractive" apt install -y\
         libdatetime-perl \
@@ -63,8 +63,17 @@ RUN DEBIAN_FRONTEND="noninteractive" apt install -y\
         hmmer \
         default-jre \
         bioperl
+# Install hmmer
 RUN echo yes | cpan Bio::SearchIO::hmmer
+# Install bioperl
 RUN echo yes | cpan Bio::Perl
+# install tbl2asn
+RUN wget -O tbl2asn.gz ftp://ftp.ncbi.nih.gov/toolbox/ncbi_tools/converters/by_program/tbl2asn/linux.tbl2asn.gz &&\
+    gunzip tbl2asn.gz &&\
+    chmod +x tbl2asn &&\
+    ln -s /install_dir/tbl2asn /usr/local/bin
+
+# Install prokka
 RUN git clone https://github.com/tseemann/prokka.git
 RUN /install_dir/prokka/bin/prokka --setupdb &&\
     ln -s /install_dir/prokka/bin/prokka /usr/local/bin