diff --git a/for_build/annote_and_1tree/Dockerfile b/for_build/annote_and_1tree/Dockerfile
index ae036220932167779d39ab1353a80f291fa8823b..1146dd8420780b0fbf54dd81a149901791acc564 100644
--- a/for_build/annote_and_1tree/Dockerfile
+++ b/for_build/annote_and_1tree/Dockerfile
@@ -1,4 +1,4 @@
-from ubuntu:18.04
+from ubuntu:20.04
 
 # Update apt-get packages
 RUN apt-get update &&\
diff --git a/for_build/barrnap_only/Dockerfile b/for_build/barrnap_only/Dockerfile
index bedd3541364f034eea6ccb95c0ce0352a83e0958..9289f6384fc8f15be9f19bd349eaa13588af7e6d 100644
--- a/for_build/barrnap_only/Dockerfile
+++ b/for_build/barrnap_only/Dockerfile
@@ -1,4 +1,4 @@
-from ubuntu:18.04
+from ubuntu:20.04
 
 # Update apt-get packages
 RUN apt-get update &&\
diff --git a/for_build/mafft/Dockerfile b/for_build/mafft/Dockerfile
index b704424253098b713afb435de46ad7383e2590b7..41196b22f8b6f76a3fa0c678870ac4c3b827f2ac 100644
--- a/for_build/mafft/Dockerfile
+++ b/for_build/mafft/Dockerfile
@@ -1,4 +1,4 @@
-from ubuntu:18.04
+from ubuntu:20.04
 
 # Update apt-get packages
 RUN apt-get update &&\
diff --git a/for_build/mmseqs_and_fastme/Dockerfile b/for_build/mmseqs_and_fastme/Dockerfile
index 4a8873b4c8d70f84a687f36b5f41580fa4a8deaf..6dab7adbf9b62eaaf2dce5373a6eda3e03f10d00 100644
--- a/for_build/mmseqs_and_fastme/Dockerfile
+++ b/for_build/mmseqs_and_fastme/Dockerfile
@@ -1,4 +1,4 @@
-from ubuntu:18.04
+from ubuntu:20.04
 
 
 # Update apt-get packages
diff --git a/for_build/prodigal/Dockerfile b/for_build/prodigal/Dockerfile
index 7a96db04b3e806653f13fefc2caa8895ff09408a..2a0974ad71f1fbf657d8688763403dc408a15840 100644
--- a/for_build/prodigal/Dockerfile
+++ b/for_build/prodigal/Dockerfile
@@ -1,4 +1,4 @@
-from ubuntu:18.04
+from ubuntu:20.04
 
 # Update apt-get packages
 RUN apt-get update &&\
diff --git a/for_build/ubuntu/Dockerfile b/for_build/ubuntu/Dockerfile
index 47efcbda77e16e4c6fdc2a71ee5ebea0a30da2e6..609ade9713b46622cf4793f05f747427c2cd59fb 100644
--- a/for_build/ubuntu/Dockerfile
+++ b/for_build/ubuntu/Dockerfile
@@ -1,4 +1,4 @@
-from ubuntu:18.04
+from ubuntu:20.04
 
 # Update apt-get packages
 RUN apt-get update &&\
diff --git a/for_tests/Dockerfile b/for_tests/Dockerfile
index 463042bae987e72beb807393aad0542e27d1b0a2..36da1af5009bde8bc3e195bbdde752b5215bb0e8 100644
--- a/for_tests/Dockerfile
+++ b/for_tests/Dockerfile
@@ -1,4 +1,4 @@
-from ubuntu:18.04
+from ubuntu:20.04
 
 # Update apt-get packages
 RUN apt-get update &&\