diff --git a/regex-tdfa/1.2.3.3/regex-tdfa.cabal b/regex-tdfa/1.2.3.3/regex-tdfa.cabal
new file mode 100644
index 00000000000..d55bad1d2bf
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+++ b/regex-tdfa/1.2.3.3/regex-tdfa.cabal
@@ -0,0 +1,99 @@
+Name:                   regex-tdfa
+Version:                1.2.3.3
+License:                BSD3
+License-File:           LICENSE
+Copyright:              Copyright (c) 2007, Christopher Kuklewicz
+Author:                 Christopher Kuklewicz
+Maintainer:             Artyom <yom@artyom.me>, Christopher Kuklewicz <TextRegexLazy@personal.mightyreason.com>
+Stability:              Seems to work, but not POSIX yet
+Homepage:               https://github.com/ChrisKuklewicz/regex-tdfa
+Bug-Reports:            https://github.com/ChrisKuklewicz/regex-tdfa/issues
+Synopsis:               Replaces/Enhances Text.Regex
+Description:            A new all Haskell "tagged" DFA regex engine, inspired by libtre
+Category:               Text
+Tested-With:            GHC==7.6.3
+                      , GHC==7.8.4
+                      , GHC==7.10.3
+                      , GHC==8.0.2
+                      , GHC==8.2.2
+                      , GHC==8.4.4
+                      , GHC==8.6.5
+                      , GHC==8.8.1
+Build-Type:             Simple
+extra-source-files:
+  CHANGELOG.md
+  test/cases/*.txt
+Cabal-Version:          >= 1.8
+
+source-repository head
+  type:                git
+  location:            git://github.com/ChrisKuklewicz/regex-tdfa.git
+
+flag devel
+  description: enable flags that are useful for development
+  default: False
+  manual: True
+
+library
+  hs-source-dirs:       lib
+  Build-Depends:        array              >= 0.4 && < 0.6
+                      , base               >= 4 && < 5
+                      , bytestring         >= 0.10 && < 0.11
+                      , containers         >= 0.5 && < 0.7
+                      , ghc-prim
+                      , mtl                == 2.*
+                      , parsec             == 3.*
+                      , regex-base         >= 0.93.1 && < 0.95
+
+  -- Support Semigroup instances uniformly
+  --
+  -- See also
+  --  https://prime.haskell.org/wiki/Libraries/Proposals/SemigroupMonoid#RecommendedVariant
+  --
+  -- NB: This is the same logic `parsec.cabal` uses, so this doesn't
+  -- add any new dependency that isn't already incurred by
+  -- `regex-tdfa`'s transitive deps
+  if !impl(ghc >= 8.0)
+    build-depends:      fail
+                      , semigroups == 0.18.*
+
+  other-modules:          Paths_regex_tdfa
+  Exposed-Modules:        Data.IntMap.CharMap2
+                          Data.IntMap.EnumMap2
+                          Data.IntSet.EnumSet2
+                          Text.Regex.TDFA
+                          Text.Regex.TDFA.ByteString
+                          Text.Regex.TDFA.ByteString.Lazy
+                          Text.Regex.TDFA.Common
+                          Text.Regex.TDFA.CorePattern
+                          Text.Regex.TDFA.IntArrTrieSet
+                          Text.Regex.TDFA.NewDFA.Engine
+                          Text.Regex.TDFA.NewDFA.Engine_FA
+                          Text.Regex.TDFA.NewDFA.Engine_NC
+                          Text.Regex.TDFA.NewDFA.Engine_NC_FA
+                          Text.Regex.TDFA.NewDFA.Tester
+                          Text.Regex.TDFA.NewDFA.Uncons
+                          Text.Regex.TDFA.NewDFA.MakeTest
+                          Text.Regex.TDFA.Pattern
+                          Text.Regex.TDFA.ReadRegex
+                          Text.Regex.TDFA.Sequence
+                          Text.Regex.TDFA.String
+                          Text.Regex.TDFA.TDFA
+                          Text.Regex.TDFA.TNFA
+  Buildable:              True
+  Extensions:             MultiParamTypeClasses, FunctionalDependencies, BangPatterns, MagicHash, RecursiveDo, NoMonoPatBinds, ForeignFunctionInterface, UnboxedTuples, TypeOperators, FlexibleContexts, ExistentialQuantification, UnliftedFFITypes, TypeSynonymInstances, FlexibleInstances
+  GHC-Options:            -Wall -funbox-strict-fields -fspec-constr-count=10 -O2 -fno-warn-orphans
+  if flag(devel)
+    ghc-prof-options: -auto-all
+
+test-suite regex-tdfa-unittest
+  type:                 exitcode-stdio-1.0
+  build-depends:        regex-base >= 0.93.1, base >=4  && < 5, regex-tdfa >= 0.92, bytestring, containers, array, mtl, file-embed, filepath, utf8-string
+  hs-source-dirs:       test
+  main-is:              Main.hs
+  extensions:           FlexibleInstances, FlexibleContexts,Rank2Types
+  GHC-Options:          -Wall -O2 -funbox-strict-fields
+  if flag(devel)
+    ghc-prof-options: -auto-all
+  if !impl(ghc >= 8.0)
+    build-depends:      fail
diff --git a/regex-tdfa/1.2.3.3/regex-tdfa.json b/regex-tdfa/1.2.3.3/regex-tdfa.json
new file mode 100644
index 00000000000..de87c72eab4
--- /dev/null
+++ b/regex-tdfa/1.2.3.3/regex-tdfa.json
@@ -0,0 +1 @@
+{"package-hashes":{"MD5":"0ebc49879ae0dd59b7a8d13a4d94e94a","Skein512_512":"e175c19c87b5618d94d0015ffc7e127b7fb2f5d70d4a1d42d6504d41e3cda010c8b8167bf14f7c314cabf4a6e69dcc2ad0ca5983ffca2b1f1274143d98ee793c","SHA1":"c586c89e19984305a7e66ca3fedfc1302330b502","SHA512":"cf6de98efe4ad3c0d5c65fc5bb8f59b738cfffd38069e6950e77bdd9a96826daf4a92b35c98da786d69718b843be235d44fa08f1ddd59043943d3566a30cd001","SHA256":"c27a4117dc12aae1492e8476c604452d93737acd9174cc1fa7a9e5ddf60588cb"},"package-locations":["https://hackage.haskell.org/package/regex-tdfa-1.2.3.3/regex-tdfa-1.2.3.3.tar.gz","https://s3.amazonaws.com/hackage.fpcomplete.com/package/regex-tdfa-1.2.3.3.tar.gz"],"package-size":75267}
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