diff --git a/omnibus b/omnibus
index eca01c6f94..5dec29eb7b 160000
--- a/omnibus
+++ b/omnibus
@@ -1 +1 @@
-Subproject commit eca01c6f94807d2548862274b41b534aa512a0b5
+Subproject commit 5dec29eb7b4ea52274f5bc5a1d65a0deb6d67e05
diff --git a/scripts/bk_tests/bk_install.sh b/scripts/bk_tests/bk_install.sh
index b08d364fe8..208454aeb2 100755
--- a/scripts/bk_tests/bk_install.sh
+++ b/scripts/bk_tests/bk_install.sh
@@ -47,9 +47,9 @@ cp /workdir/scripts/bk_tests/pb_hba.conf /etc/postgresql/13/main/pg_hba.conf
 # the erlang software definition lives in: /omnibus-software/config/software/erlang.rb
 
 # this is needed until the erlang version is installed in the docker container
-echo "Installing erlang 26.2.5.15"
-asdf install erlang 26.2.5.15
-asdf local erlang 26.2.5.15
+echo "Installing erlang 26.2.5.21"
+asdf install erlang 26.2.5.21
+asdf local erlang 26.2.5.21
 erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell
 
 echo "Installing Bundler"
diff --git a/src/bookshelf/rebar.config b/src/bookshelf/rebar.config
index ddaf22033f..a83e8509df 100644
--- a/src/bookshelf/rebar.config
+++ b/src/bookshelf/rebar.config
@@ -2,7 +2,7 @@
 %% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
 %% ex: ts=4 sw=4 ft=erlang et
 
-{require_otp_vsn, "26.2.5.15"}.
+{require_otp_vsn, "26.2.5.21"}.
 
 {erl_dep_retries, 10}.
 
diff --git a/src/oc_bifrost/rebar.config b/src/oc_bifrost/rebar.config
index 4da1152c86..38d0e10bcf 100644
--- a/src/oc_bifrost/rebar.config
+++ b/src/oc_bifrost/rebar.config
@@ -9,7 +9,7 @@
            ]}.
 {erl_first_files, ["src/bifrost_wm.erl"]}.
 
-{require_otp_vsn, "26.2.5.15"}.
+{require_otp_vsn, "26.2.5.21"}.
 
 {deps, [
     %% lager has to come first since we use its parse transform
diff --git a/src/oc_erchef/rebar.config b/src/oc_erchef/rebar.config
index d23c41063b..d967a875bd 100644
--- a/src/oc_erchef/rebar.config
+++ b/src/oc_erchef/rebar.config
@@ -2,7 +2,7 @@
 %% -*- tab-width: 4;erlang-indent-level: 4;indent-tabs-mode: nil -*-
 %% ex: ts=4 sw=4 ft=erlang et
 
-{require_otp_vsn, "26.2.5.15"}.
+{require_otp_vsn, "26.2.5.21"}.
 
 {deps, [
     %% lager has to come first since we use its parse transform