diff --git a/pkgs/by-name/cd/cddl/Gemfile b/pkgs/by-name/cd/cddl/Gemfile
index 2ba729084f1a..c6ecd4761427 100644
--- a/pkgs/by-name/cd/cddl/Gemfile
+++ b/pkgs/by-name/cd/cddl/Gemfile
@@ -1,2 +1,4 @@
 source 'https://rubygems.org'
 gem 'cddl'
+
+gem "base64", "~> 0.2.0"
diff --git a/pkgs/by-name/cd/cddl/Gemfile.lock b/pkgs/by-name/cd/cddl/Gemfile.lock
index 660d6aaf3955..3e50a9115688 100644
--- a/pkgs/by-name/cd/cddl/Gemfile.lock
+++ b/pkgs/by-name/cd/cddl/Gemfile.lock
@@ -2,20 +2,21 @@ GEM
   remote: https://rubygems.org/
   specs:
     abnc (0.1.1)
-    abnftt (0.2.6)
+    abnftt (0.2.10)
     base32 (0.3.4)
     base45_lite (1.0.1)
+    base64 (0.2.0)
     cbor-canonical (0.1.2)
     cbor-deterministic (0.1.3)
-    cbor-diag (0.9.5)
+    cbor-diag (0.9.7)
       cbor-canonical
       cbor-deterministic
       cbor-packed
       json_pure
       neatjson
       treetop (~> 1)
-    cbor-packed (0.1.5)
-    cddl (0.12.9)
+    cbor-packed (0.2.2)
+    cddl (0.12.11)
       abnc (~> 0.1.1)
       abnftt
       base32 (~> 0.3)
@@ -31,14 +32,15 @@ GEM
     polyglot (0.3.5)
     regexp-examples (1.5.1)
     scanf (1.0.0)
-    treetop (1.6.12)
+    treetop (1.6.14)
       polyglot (~> 0.3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  base64 (~> 0.2.0)
   cddl
 
 BUNDLED WITH
-   2.5.22
+   2.6.6
diff --git a/pkgs/by-name/cd/cddl/gemset.nix b/pkgs/by-name/cd/cddl/gemset.nix
index 5fbac5e7868f..79a423bc148a 100644
--- a/pkgs/by-name/cd/cddl/gemset.nix
+++ b/pkgs/by-name/cd/cddl/gemset.nix
@@ -14,10 +14,10 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1r9ay1kxn2yh9h0j2hr7iszz7cprpc7s6yjsv2k4inxndbsw5y4v";
+      sha256 = "08k659idrl977g1anlff32g9cp3rykjvk05n4nifr8jxzdczzv0r";
       type = "gem";
     };
-    version = "0.2.6";
+    version = "0.2.10";
   };
   base32 = {
     groups = [ "default" ];
@@ -39,6 +39,16 @@
     };
     version = "1.0.1";
   };
+  base64 = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "01qml0yilb9basf7is2614skjp8384h2pycfx86cr8023arfj98g";
+      type = "gem";
+    };
+    version = "0.2.0";
+  };
   cbor-canonical = {
     groups = [ "default" ];
     platforms = [ ];
@@ -72,20 +82,20 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1gxfs63jgvhdkfpm97mxpz14gxsvqds5pza8i175bmsqwvx3zn87";
+      sha256 = "1psh00k5s19yhxajskdqlxfamyf1piriyzm1nrcjlqcjl0863j8l";
       type = "gem";
     };
-    version = "0.9.5";
+    version = "0.9.7";
   };
   cbor-packed = {
     groups = [ "default" ];
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1dijyj7rivi39h34f32fx7k4xvngldf569i0372n1z6w01nv761l";
+      sha256 = "0sbbz0p17m77xqmh4fv4rwly1cj799hapdsg4h43kwsw8h0rnk8n";
       type = "gem";
     };
-    version = "0.1.5";
+    version = "0.2.2";
   };
   cddl = {
     dependencies = [
@@ -103,10 +113,10 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1811vvf73jjcxifq8h2cyp0b2z2qwhkplmrc2javx7gwrxlgb2p4";
+      sha256 = "1qd398qll4xjbfaim4smvm61ffkx95hbp8l8ma6ss5hk75gr13pz";
       type = "gem";
     };
-    version = "0.12.9";
+    version = "0.12.11";
   };
   colorize = {
     groups = [ "default" ];
@@ -174,9 +184,9 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "0adc8qblz8ii668r3rksjx83p675iryh52rvdvysimx2hkbasj7d";
+      sha256 = "1m5fqy7vq6y7bgxmw7jmk7y6pla83m16p7lb41lbqgg53j8x2cds";
       type = "gem";
     };
-    version = "1.6.12";
+    version = "1.6.14";
   };
 }