diff --git a/src/bookshelf/rebar.config b/src/bookshelf/rebar.config
index bbd193b19e..c76fd0acd1 100644
--- a/src/bookshelf/rebar.config
+++ b/src/bookshelf/rebar.config
@@ -27,7 +27,8 @@
     {iso8601, ".*",
          {git, "https://github.com/erlsci/iso8601",                 {tag, "1.2.3"}}},
     {meck, ".*",
-        {git, "https://github.com/eproxus/meck",                    {branch, "master"}}},
+    %% NOTE: Pinning version as main branch wants minimum_otp_vsn as 25 and we are currently at 24.
+        {git, "https://github.com/eproxus/meck",                    {ref, "5aaa24886db404f995c9a91b421367f6bfe6e566"}}},
     {mini_s3, ".*",
         {git, "https://github.com/chef/mini_s3",                    {branch, "main"}}},
     {mixer, ".*",
diff --git a/src/oc_erchef/rebar.config b/src/oc_erchef/rebar.config
index ff9336f9a0..4d1bae8e59 100644
--- a/src/oc_erchef/rebar.config
+++ b/src/oc_erchef/rebar.config
@@ -116,7 +116,8 @@
         {deps, [
             meck,
             {automeck,
-                {git, "https://github.com/chef/automeck", {branch, "master"}}},
+            %% NOTE: Pinning version as main branch wants minimum_otp_vsn as 25 and we are currently at 24.
+                {git, "https://github.com/chef/automeck", {ref, "5aaa24886db404f995c9a91b421367f6bfe6e566"}}},
             %% NOTE: PROPER IS GPL V3, IT MUST REMAIN A TEST ONLY DEP. (Unpin once we're on R19, as proper now requires a recent erlang)
             {proper, {git, "https://github.com/manopapad/proper", {ref, "cb73e68ad5b46ec11b0accc5c724647556a276a0"}}}
                ]},