diff --git a/bluefin-opaleye/CHANGELOG.md b/bluefin-opaleye/CHANGELOG.md
index 25a2bec..cc897b6 100644
--- a/bluefin-opaleye/CHANGELOG.md
+++ b/bluefin-opaleye/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Haskell Package Versioning Policy](https://pvp.hask
 
 ## [Unreleased]
 
+## [0.2.0.0] - 22.09.2026
+
 ### Changed
 - Support `bluefin` versions `0.2.7 && < 0.6` in [#4](https://github.com/fpringle/bluefin-postgresql/pull/4).
 - Extract common operation counting code to [postgresql-operation-counting](https://github.com/fpringle/postgresql-operation-counting) in [#6](https://github.com/fpringle/bluefin-postgresql/pull/6). Breaking change.
@@ -22,5 +24,6 @@ and this project adheres to [Haskell Package Versioning Policy](https://pvp.hask
 - Reasonably detailed READMEs.
 - CI that builds and tests the packages for each version of GHC in the `tested-with` field.
 
-[unreleased]: https://github.com/fpringle/bluefin-postgresql/compare/bluefin-opaleye-0.1.0.0...HEAD
+[unreleased]: https://github.com/fpringle/bluefin-postgresql/compare/bluefin-opaleye-0.2.0.0...HEAD
+[0.2.0.0]: https://github.com/fpringle/bluefin-postgresql/compare/bluefin-opaleye-0.1.0.0...bluefin-opaleye-0.2.0.0
 [0.1.0.0]: https://github.com/fpringle/bluefin-postgresql/releases/tag/bluefin-opaleye-0.1.0.0
diff --git a/bluefin-opaleye/bluefin-opaleye.cabal b/bluefin-opaleye/bluefin-opaleye.cabal
index 9708f00..80e9ed7 100644
--- a/bluefin-opaleye/bluefin-opaleye.cabal
+++ b/bluefin-opaleye/bluefin-opaleye.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               bluefin-opaleye
-version:            0.1.0.0
+version:            0.2.0.0
 synopsis:
   bluefin support for high-level PostgreSQL operations via Opaleye.
 description:
@@ -27,7 +27,7 @@ tested-with:
   , GHC == 9.10.2
 
 common warnings
-  ghc-options: -Wall -Wno-unused-do-bind -Wunused-packages -Werror
+  ghc-options: -Wall -Wno-unused-do-bind -Wunused-packages
 
 common deps
   build-depends:
@@ -35,7 +35,7 @@ common deps
     , bluefin >= 0.2.7 && < 0.11
     , opaleye >= 0.9 && < 0.11
     , product-profunctors >= 0.9 && < 0.12
-    , bluefin-postgresql >= 0.1 && < 0.2
+    , bluefin-postgresql >= 0.1 && < 0.3
     , postgresql-simple >= 0.7 && < 0.8
     , text >= 2.0 && < 2.2
     , containers >= 0.6 && < 0.8
diff --git a/bluefin-postgresql/CHANGELOG.md b/bluefin-postgresql/CHANGELOG.md
index d960a80..955ae12 100644
--- a/bluefin-postgresql/CHANGELOG.md
+++ b/bluefin-postgresql/CHANGELOG.md
@@ -7,11 +7,16 @@ and this project adheres to [Haskell Package Versioning Policy](https://pvp.hask
 
 ## [Unreleased]
 
+## [0.2.0.0] - 22.09.2026
+
 ### Changed
 
 - Support `bluefin` versions `0.2.7 && < 0.6` in [#4](https://github.com/fpringle/bluefin-postgresql/pull/4).
-- Dynamic `PostgreSQL` effect in [#7](https://github.com/fpringle/bluefin-postgresql/pull/7).
 - Support `bluefin < 0.11` in [#8](https://github.com/fpringle/bluefin-postgresql/pull/8).
+
+### Added
+
+- Dynamic `PostgreSQL` effect in [#7](https://github.com/fpringle/bluefin-postgresql/pull/7).
 - Support OpenTelemetry instrumentation in [#11](https://github.com/fpringle/bluefin-postgresql/pull/11).
 
 ## [0.1.0.0] - 27.02.2026
@@ -23,5 +28,6 @@ and this project adheres to [Haskell Package Versioning Policy](https://pvp.hask
 - Reasonably detailed READMEs.
 - CI that builds and tests the packages for each version of GHC in the `tested-with` field.
 
-[unreleased]: https://github.com/fpringle/bluefin-postgresql/compare/bluefin-postgresql-0.1.0.0...HEAD
+[unreleased]: https://github.com/fpringle/bluefin-postgresql/compare/bluefin-postgresql-0.2.0.0...HEAD
+[0.2.0.0]: https://github.com/fpringle/bluefin-postgresql/compare/bluefin-postgresql-0.1.0.0...bluefin-postgresql-0.2.0.0
 [0.1.0.0]: https://github.com/fpringle/bluefin-postgresql/releases/tag/bluefin-postgresql-0.1.0.0
diff --git a/bluefin-postgresql/bluefin-postgresql.cabal b/bluefin-postgresql/bluefin-postgresql.cabal
index 5a78f92..26479a1 100644
--- a/bluefin-postgresql/bluefin-postgresql.cabal
+++ b/bluefin-postgresql/bluefin-postgresql.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               bluefin-postgresql
-version:            0.1.0.0
+version:            0.2.0.0
 synopsis:
   bluefin support for mid-level PostgreSQL operations.
 description:
diff --git a/bluefin-postgresql/src/Bluefin/PostgreSQL/Effect.hs b/bluefin-postgresql/src/Bluefin/PostgreSQL/Effect.hs
index aac56c8..1f61e53 100644
--- a/bluefin-postgresql/src/Bluefin/PostgreSQL/Effect.hs
+++ b/bluefin-postgresql/src/Bluefin/PostgreSQL/Effect.hs
@@ -828,6 +828,13 @@ runPostgreSQL withConn ioe k =
     returningWithImpl parser q rows = withConnection withConn $ \conn -> effIO ioe $ PSQL.returningWith parser conn q rows
 
 #if OTEL
+{- | An interpreter for the 'PostgreSQL' effect that runs database operations using OpenTelemetry instrumentation.
+
+Basically the same as 'runPostgreSQL' except it uses the functions from
+[OpenTelemetry.Instrumentation.PostgresqlSimple](https://hackage-content.haskell.org/package/hs-opentelemetry-instrumentation-postgresql-simple/docs/OpenTelemetry-Instrumentation-PostgresqlSimple.html).
+
+Note that the @enable-opentel@ cabal flag must be set to enable this functionality.
+-}
 runPostgreSQLOT ::
   forall e1 e2 es b.
   (HasCallStack, e1 :> es, e2 :> es) =>