diff --git a/pkgs/tools/typesetting/asciidoctor/Gemfile.lock b/pkgs/tools/typesetting/asciidoctor/Gemfile.lock
index efcee15a482..724ed31dd94 100644
--- a/pkgs/tools/typesetting/asciidoctor/Gemfile.lock
+++ b/pkgs/tools/typesetting/asciidoctor/Gemfile.lock
@@ -2,11 +2,11 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.1.0)
-    addressable (2.8.1)
+    addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     afm (0.2.2)
-    asciidoctor (2.0.18)
-    asciidoctor-pdf (2.3.2)
+    asciidoctor (2.0.20)
+    asciidoctor-pdf (2.3.9)
       asciidoctor (~> 2.0)
       concurrent-ruby (~> 1.1)
       matrix (~> 0.4)
@@ -17,13 +17,13 @@ GEM
       prawn-templates (~> 0.1.0)
       treetop (~> 1.6.0)
     coderay (1.1.3)
-    concurrent-ruby (1.1.10)
-    css_parser (1.12.0)
+    concurrent-ruby (1.2.2)
+    css_parser (1.14.0)
       addressable
     hashery (2.1.2)
     matrix (0.4.2)
     pdf-core (0.9.0)
-    pdf-reader (2.10.0)
+    pdf-reader (2.11.0)
       Ascii85 (~> 1.0)
       afm (~> 0.2.1)
       hashery (~> 2.0)
@@ -44,14 +44,13 @@ GEM
     prawn-templates (0.1.2)
       pdf-reader (~> 2.0)
       prawn (~> 2.2)
-    public_suffix (5.0.0)
-    pygments.rb (2.3.0)
+    public_suffix (5.0.1)
+    pygments.rb (2.4.0)
     rexml (3.2.5)
-    rouge (4.0.0)
+    rouge (4.1.2)
     ruby-rc4 (0.1.5)
-    temple (0.10.2)
-    thor (1.2.2)
-    treetop (1.6.11)
+    tilt (2.2.0)
+    treetop (1.6.12)
       polyglot (~> 0.3)
     ttfunk (1.7.0)
 
@@ -64,6 +63,7 @@ DEPENDENCIES
   coderay
   pygments.rb
   rouge
+  tilt
 
 BUNDLED WITH
-   2.4.13
+   2.4.14
diff --git a/pkgs/tools/typesetting/asciidoctor/gemset.nix b/pkgs/tools/typesetting/asciidoctor/gemset.nix
index 533bcdf7e2f..b5c4bb899fa 100644
--- a/pkgs/tools/typesetting/asciidoctor/gemset.nix
+++ b/pkgs/tools/typesetting/asciidoctor/gemset.nix
@@ -5,10 +5,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1ypdmpdn20hxp5vwxz3zc04r5xcwqc25qszdlg41h8ghdqbllwmw";
+      sha256 = "15s8van7r2ad3dq6i03l3z4hqnvxcq75a3h72kxvf9an53sqma20";
       type = "gem";
     };
-    version = "2.8.1";
+    version = "2.8.4";
   };
   afm = {
     groups = ["default"];
@@ -35,10 +35,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "11z3vnd8vh3ny1vx69bjrbck5b2g8zsbj94npyadpn7fdp8y3ldv";
+      sha256 = "0yblqlbix3is5ihiqrpbfazb44in7ichfkjzdbsqibp48paanpl3";
       type = "gem";
     };
-    version = "2.0.18";
+    version = "2.0.20";
   };
   asciidoctor-pdf = {
     dependencies = ["asciidoctor" "concurrent-ruby" "matrix" "prawn" "prawn-icon" "prawn-svg" "prawn-table" "prawn-templates" "treetop"];
@@ -46,10 +46,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "16mw0mlrrx44wn5j2knp3cv7b7phan90y4dr285c1qgdd25310xv";
+      sha256 = "19c98a6riqhxxlc7kmksjslnyxdjp106ppsqy1vdbkjb39zfign3";
       type = "gem";
     };
-    version = "2.3.2";
+    version = "2.3.9";
   };
   coderay = {
     groups = ["default"];
@@ -66,10 +66,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0s4fpn3mqiizpmpy2a24k4v365pv75y50292r8ajrv4i1p5b2k14";
+      sha256 = "0krcwb6mn0iklajwngwsg850nk8k9b35dhmc2qkbdqvmifdi2y9q";
       type = "gem";
     };
-    version = "1.1.10";
+    version = "1.2.2";
   };
   css_parser = {
     dependencies = ["addressable"];
@@ -77,10 +77,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1107j3frhmcd95wcsz0rypchynnzhnjiyyxxcl6dlmr2lfy08z4b";
+      sha256 = "04q1vin8slr3k8mp76qz0wqgap6f9kdsbryvgfq9fljhrm463kpj";
       type = "gem";
     };
-    version = "1.12.0";
+    version = "1.14.0";
   };
   hashery = {
     groups = ["default"];
@@ -118,10 +118,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "07chhyxf3qlr65jngns3z5187ibfibf5h2q59505vx45dfr3lvwz";
+      sha256 = "09sx25jpnip2sp6wh5sn5ad7za78rfi95qp5iiczfh43z4jqa8q3";
       type = "gem";
     };
-    version = "2.10.0";
+    version = "2.11.0";
   };
   polyglot = {
     groups = ["default"];
@@ -193,20 +193,20 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0sqw1zls6227bgq38sxb2hs8nkdz4hn1zivs27mjbniswfy4zvi6";
+      sha256 = "0hz0bx2qs2pwb0bwazzsah03ilpf3aai8b7lk7s35jsfzwbkjq35";
       type = "gem";
     };
-    version = "5.0.0";
+    version = "5.0.1";
   };
   "pygments.rb" = {
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "047mjyzz8v4kkgi1ap6fsjf7kcp6dwirpnigif00ss0hxsxchhac";
+      sha256 = "080kb51l3m0n7xbbzmlcy78wsi03wr995v932v3b6lf6xa6nq8rg";
       type = "gem";
     };
-    version = "2.3.0";
+    version = "2.4.0";
   };
   rexml = {
     groups = ["default"];
@@ -223,10 +223,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "066w2wf3mwkzynz9h7qqvvr0w6rq6q45ngjfh9z0s08ny2gpdbmq";
+      sha256 = "0pym2zjwl6dwdfvbn7rbvmds32r70jx9qddhvvi6pqy6987ack1v";
       type = "gem";
     };
-    version = "4.0.0";
+    version = "4.1.2";
   };
   ruby-rc4 = {
     groups = ["default"];
@@ -238,25 +238,15 @@
     };
     version = "0.1.5";
   };
-  temple = {
+  tilt = {
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "09p32vp94sa1mbr0if0adf02yzc4ns00lsmpwns2xbkncwpzrqm4";
+      sha256 = "0bmjgbv8158klwp2r3klxjwaj93nh1sbl4xvj9wsha0ic478avz7";
       type = "gem";
     };
-    version = "0.10.2";
-  };
-  thor = {
-    groups = ["default"];
-    platforms = [];
-    source = {
-      remotes = ["https://rubygems.org"];
-      sha256 = "0k7j2wn14h1pl4smibasw0bp66kg626drxb59z7rzflch99cd4rg";
-      type = "gem";
-    };
-    version = "1.2.2";
+    version = "2.2.0";
   };
   treetop = {
     dependencies = ["polyglot"];
@@ -264,10 +254,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0697qz1akblf8r3wi0s2dsjh468hfsd57fb0mrp93z35y2ni6bhh";
+      sha256 = "0adc8qblz8ii668r3rksjx83p675iryh52rvdvysimx2hkbasj7d";
       type = "gem";
     };
-    version = "1.6.11";
+    version = "1.6.12";
   };
   ttfunk = {
     groups = ["default"];