diff --git a/hledger-api/package.yaml b/hledger-api/package.yaml
index 13e720c1e..ae09c4210 100644
--- a/hledger-api/package.yaml
+++ b/hledger-api/package.yaml
@@ -32,8 +32,8 @@ data-files:
 - hledger-api.info
 
 dependencies:
-- hledger-lib >= 1.4.99 && < 1.5
-- hledger >= 1.4.99 && < 1.5
+- hledger-lib >=1.4.99 && <1.5
+- hledger >=1.4.99 && <1.5
 - base >=4.8 && <5
 - aeson
 - bytestring
@@ -44,9 +44,9 @@ dependencies:
 - microlens >=0.4 && <0.5
 - microlens-platform >=0.2.3.1 && <0.4
 - safe
-- servant-server >= 0.10
+- servant-server >=0.10
 - servant-swagger
-- swagger2 >= 2.0 && < 2.3
+- swagger2 >=2.0 && <2.3
 - text
 - transformers
 - wai
diff --git a/hledger-lib/package.yaml b/hledger-lib/package.yaml
index 6806ff11e..b74626b95 100644
--- a/hledger-lib/package.yaml
+++ b/hledger-lib/package.yaml
@@ -41,7 +41,7 @@ data-files:
 dependencies:
 - base >=4.8 && <5
 - base-compat >=0.8.1
-- ansi-terminal >= 0.6.2.3 && < 0.9
+- ansi-terminal >=0.6.2.3 && <0.9
 - array
 - blaze-markup >=0.5.1
 - bytestring
@@ -53,12 +53,12 @@ dependencies:
 - deepseq
 - directory
 - filepath
-- hashtables >= 1.2
-- megaparsec >=5.0 && < 6.5
+- hashtables >=1.2
+- megaparsec >=5.0 && <6.5
 - mtl
 - mtl-compat
 - old-time
-- parsec >= 3
+- parsec >=3
 - pretty-show >=1.6.4
 - regex-tdfa
 - safe >=0.2
@@ -72,9 +72,9 @@ dependencies:
 - HUnit
 - extra
 # for ledger-parse:
-#- parsers >= 0.5
+#- parsers >=0.5
 #- system-filepath
-#- trifecta >= 0.91
+#- trifecta >=0.91
 
 ghc-options:
 - -Wall
diff --git a/hledger-ui/package.yaml b/hledger-ui/package.yaml
index c38f61095..3e3d98fe5 100644
--- a/hledger-ui/package.yaml
+++ b/hledger-ui/package.yaml
@@ -40,29 +40,29 @@ flags:
 cpp-options: -DVERSION="1.4.99"
 
 dependencies:
- - hledger >= 1.4.99 && < 1.5
- - hledger-lib >= 1.4.99 && < 1.5
- - ansi-terminal >= 0.6.2.3 && < 0.9
+ - hledger >=1.4.99 && <1.5
+ - hledger-lib >=1.4.99 && <1.5
+ - ansi-terminal >=0.6.2.3 && <0.9
  - async
- - base >= 4.8 && < 5
- - base-compat >= 0.8.1
- - cmdargs >= 0.8
+ - base >=4.8 && <5
+ - base-compat >=0.8.1
+ - cmdargs >=0.8
  - containers
  - data-default
  - directory
  - filepath
- - fsnotify >= 0.2 && < 0.3
+ - fsnotify >=0.2 && <0.3
  - HUnit
- - microlens >= 0.4 && < 0.5
- - microlens-platform >= 0.2.3.1 && < 0.4
- - megaparsec >=5.0 && < 6.5
+ - microlens >=0.4 && <0.5
+ - microlens-platform >=0.2.3.1 && <0.4
+ - megaparsec >=5.0 && <6.5
  - pretty-show >=1.6.4
- - process >= 1.2
- - safe >= 0.2
- - split >= 0.1 && < 0.3
- - text >= 1.2 && < 1.3
- - text-zipper >= 0.4 && < 0.11
- - time >= 1.5
+ - process >=1.2
+ - safe >=0.2
+ - split >=0.1 && <0.3
+ - text >=1.2 && <1.3
+ - text-zipper >=0.4 && <0.11
+ - time >=1.5
  - transformers
  - vector
 
@@ -82,8 +82,8 @@ when:
      buildable: false
    else:
      dependencies:
-       - brick >= 0.12 && < 0.31
-       - vty >= 5.5 && < 5.20
+       - brick >=0.12 && <0.31
+       - vty >=5.5 && <5.20
 
 executables:
   hledger-ui:
diff --git a/hledger-web/package.yaml b/hledger-web/package.yaml
index e2dd3b040..9dd47a3ad 100644
--- a/hledger-web/package.yaml
+++ b/hledger-web/package.yaml
@@ -62,8 +62,8 @@ flags:
     default: true
 
 dependencies:
-- hledger-lib >= 1.4.99 && < 1.5
-- hledger >= 1.4.99 && < 1.5
+- hledger-lib >=1.4.99 && <1.5
+- hledger >=1.4.99 && <1.5
 - base >=4.8 && <5
 - base-compat >=0.8.1
 - blaze-html
@@ -80,7 +80,7 @@ dependencies:
 - HUnit
 - conduit-extra >=1.1
 - safe >=0.2
-- shakespeare >=2.0.2.2 && < 2.1
+- shakespeare >=2.0.2.2 && <2.1
 - template-haskell
 - text >=1.2 && <1.3
 - time >=1.5
@@ -95,7 +95,7 @@ dependencies:
 - yesod-form
 - yesod-static
 - json
-- megaparsec >=5.0 && < 6.5
+- megaparsec >=5.0 && <6.5
 - mtl
 - parsec >=3
 
diff --git a/hledger/package.yaml b/hledger/package.yaml
index fb72e750a..9dbec5160 100644
--- a/hledger/package.yaml
+++ b/hledger/package.yaml
@@ -75,7 +75,7 @@ ghc-options:
 dependencies:
 - base >=4.8 && <5
 - base-compat >=0.8.1
-- ansi-terminal >= 0.6.2.3 && < 0.9
+- ansi-terminal >=0.6.2.3 && <0.9
 - directory
 - file-embed >=0.0.10 && <0.1
 - filepath
@@ -86,8 +86,8 @@ dependencies:
 - temporary
 - tabular >=0.2 && <0.3
 - time >=1.5
-- utility-ht >= 0.0.13
-- hledger-lib >= 1.4.99 && < 1.5
+- utility-ht >=0.0.13
+- hledger-lib >=1.4.99 && <1.5
 
 when:
 - condition: (!(os(windows))) && (flag(terminfo))
@@ -141,7 +141,7 @@ library:
   - mtl
   - mtl-compat
   - old-time
-  - megaparsec >=5.0 && < 6.5
+  - megaparsec >=5.0 && <6.5
   - regex-tdfa
   - safe >=0.2
   - split >=0.1 && <0.3
diff --git a/site/hakyll-std/package.yaml b/site/hakyll-std/package.yaml
index 2c12c159f..cc839cdf7 100644
--- a/site/hakyll-std/package.yaml
+++ b/site/hakyll-std/package.yaml
@@ -23,7 +23,7 @@ author      : Simon Michael <simon@joyful.com>
 maintainer  : '-'
 
 dependencies:
-  - base >= 4.7 && < 5
+  - base >=4.7 && <5
   - hakyll >=4.7
   - pandoc #>=1.15
   - pandoc-types