diff --git a/README.md b/README.md
index f5409799..c1027f59 100644
--- a/README.md
+++ b/README.md
@@ -320,6 +320,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [goset](https://github.com/zoumo/goset) - A useful Set collection implementation for Go.
 * [goskiplist](https://github.com/ryszard/goskiplist) - Skip list implementation in Go.
 * [gota](https://github.com/kniren/gota) - Implementation of dataframes, series, and data wrangling methods for Go.
+* [hide](https://github.com/emvi/hide) - ID type with marshalling to/from hash to prevent sending IDs to clients.
 * [hilbert](https://github.com/google/hilbert) - Go package for mapping values to and from space-filling curves, such as Hilbert and Peano curves.
 * [hyperloglog](https://github.com/axiomhq/hyperloglog) - HyperLogLog implementation with Sparse, LogLog-Beta bias correction and TailCut space reduction.
 * [levenshtein](https://github.com/agext/levenshtein) - Levenshtein distance and similarity metrics with customizable edit costs and Winkler-like bonus for common prefix.
@@ -327,6 +328,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [mafsa](https://github.com/smartystreets/mafsa) - MA-FSA implementation with Minimal Perfect Hashing.
 * [merkletree](https://github.com/cbergoon/merkletree) - Implementation of a merkle tree providing an efficient and secure verification of the contents of data structures.
 * [mspm](https://github.com/BlackRabbitt/mspm) - Multi-String Pattern Matching Algorithm for information retrieval.
+* [null](https://github.com/emvi/null) - Nullable Go types that can be marshalled/unmarshalled to/from JSON.
 * [pipeline](https://github.com/hyfather/pipeline) - An implementation of pipelines with fan-in and fan-out.
 * [ring](https://github.com/TheTannerRyan/ring) - Go implementation of a high performance, thread safe bloom filter.
 * [roaring](https://github.com/RoaringBitmap/roaring) - Go package implementing compressed bitsets.
@@ -380,7 +382,6 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [darwin](https://github.com/GuiaBolso/darwin) - Database schema evolution library for Go.
 * [go-fixtures](https://github.com/RichardKnop/go-fixtures) - Django style fixtures for Golang's excellent built-in database/sql library.
 * [go-pg-migrations](https://github.com/robinjoseph08/go-pg-migrations) - A Go package to help write migrations with go-pg/pg.
-* [gondolier](https://github.com/emvicom/gondolier) - Gondolier is a library to auto migrate database schemas using structs.
 * [goose](https://github.com/steinbacher/goose) - Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
 * [gormigrate](https://github.com/go-gormigrate/gormigrate) - Database schema migration helper for Gorm ORM.
 * [migrate](https://github.com/golang-migrate/migrate) - Database migrations. CLI and Golang library.